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3485781040 = 2457191971663
BaseRepresentation
bin1100111111000100…
…1100110000110000
322222221010000122111
43033301030300300
524114324443130
61333520215104
7152244435640
oct31761146060
98887100574
103485781040
1115296a5985
1281346a494
1343722b641
14250d3a520
1515604e02a
hexcfc4cc30

3485781040 has 160 divisors (see below), whose sum is σ = 9805086720. Its totient is φ = 1125798912.

The previous prime is 3485781007. The next prime is 3485781041. The reversal of 3485781040 is 401875843.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 3485780984 and 3485781002.

It is not an unprimeable number, because it can be changed into a prime (3485781041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2095249 + ... + 2096911.

It is an arithmetic number, because the mean of its divisors is an integer number (61281792).

Almost surely, 23485781040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3485781040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4902543360).

3485781040 is an abundant number, since it is smaller than the sum of its proper divisors (6319305680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3485781040 is a wasteful number, since it uses less digits than its factorization.

3485781040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 3485781040 is about 59040.5033853879. The cubic root of 3485781040 is about 1516.2356412067.

The spelling of 3485781040 in words is "three billion, four hundred eighty-five million, seven hundred eighty-one thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 19 20 28 35 38 40 56 70 76 80 95 112 133 140 152 190 197 266 280 304 380 394 532 560 665 760 788 985 1064 1330 1379 1520 1576 1663 1970 2128 2660 2758 3152 3326 3743 3940 5320 5516 6652 6895 7486 7880 8315 10640 11032 11641 13304 13790 14972 15760 16630 18715 22064 23282 26201 26608 27580 29944 31597 33260 37430 46564 52402 55160 58205 59888 63194 66520 74860 93128 104804 110320 116410 126388 131005 133040 149720 157985 186256 209608 221179 232820 252776 262010 299440 315970 327611 419216 442358 465640 505552 524020 631940 655222 884716 931280 1048040 1105895 1263880 1310444 1638055 1769432 2096080 2211790 2293277 2527760 2620888 3276110 3538864 4423580 4586554 5241776 6224609 6552220 8847160 9173108 11466385 12449218 13104440 17694320 18346216 22932770 24898436 26208880 31123045 36692432 43572263 45865540 49796872 62246090 87144526 91731080 99593744 124492180 174289052 183462160 217861315 248984360 348578104 435722630 497968720 697156208 871445260 1742890520 3485781040