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480402840 = 233519239161
BaseRepresentation
bin11100101000100…
…101110110011000
31020110221222210210
4130220211312120
51440440342330
6115400411120
714622233241
oct3450456630
91213858723
10480402840
112271a1845
12114a76aa0
13786b3148
1447b33cc8
152c2968b0
hex1ca25d98

480402840 has 128 divisors (see below), whose sum is σ = 1583193600. Its totient is φ = 116075520.

The previous prime is 480402803. The next prime is 480402851. The reversal of 480402840 is 48204084.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 480402798 and 480402807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47860 + ... + 57020.

It is an arithmetic number, because the mean of its divisors is an integer number (12368700).

Almost surely, 2480402840 is an apocalyptic number.

480402840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 480402840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791596800).

480402840 is an abundant number, since it is smaller than the sum of its proper divisors (1102790760).

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

480402840 is a wasteful number, since it uses less digits than its factorization.

480402840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9217 (or 9213 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 480402840 is about 21918.0938952273. The cubic root of 480402840 is about 783.1925038313.

The spelling of 480402840 in words is "four hundred eighty million, four hundred two thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 23 24 30 38 40 46 57 60 69 76 92 95 114 115 120 138 152 184 190 228 230 276 285 345 380 437 456 460 552 570 690 760 874 920 1140 1311 1380 1748 2185 2280 2622 2760 3496 4370 5244 6555 8740 9161 10488 13110 17480 18322 26220 27483 36644 45805 52440 54966 73288 91610 109932 137415 174059 183220 210703 219864 274830 348118 366440 421406 522177 549660 632109 696236 842812 870295 1044354 1053515 1099320 1264218 1392472 1685624 1740590 2088708 2107030 2528436 2610885 3160545 3481180 4003357 4177416 4214060 5056872 5221770 6321090 6962360 8006714 8428120 10443540 12010071 12642180 16013428 20016785 20887080 24020142 25284360 32026856 40033570 48040284 60050355 80067140 96080568 120100710 160134280 240201420 480402840