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1085153040 = 243252775441
BaseRepresentation
bin100000010101110…
…0001111100010000
32210121220111010100
41000223201330100
54210244344130
6255402332400
735614435326
oct10053417420
92717814110
101085153040
115075a45a4
122634ba100
13143a82bba
14a4195d16
1565401c60
hex40ae1f10

1085153040 has 120 divisors (see below), whose sum is σ = 3658134168. Its totient is φ = 288276480.

The previous prime is 1085153021. The next prime is 1085153077. The reversal of 1085153040 is 403515801.

1085153040 is a `hidden beast` number, since 10 + 85 + 1 + 530 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 72386064 + 1012766976 = 8508^2 + 31824^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a junction number, because it is equal to n+sod(n) for n = 1085152995 and 1085153013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196720 + ... + 202160.

Almost surely, 21085153040 is an apocalyptic number.

1085153040 is a gapful number since it is divisible by the number (10) 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 1085153040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1829067084).

1085153040 is an abundant number, since it is smaller than the sum of its proper divisors (2572981128).

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

1085153040 is a wasteful number, since it uses less digits than its factorization.

1085153040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5737 (or 5728 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1085153040 is about 32941.6611602997. The cubic root of 1085153040 is about 1027.6147526659.

Adding to 1085153040 its reverse (403515801), we get a palindrome (1488668841).

The spelling of 1085153040 in words is "one billion, eighty-five million, one hundred fifty-three thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 277 360 554 720 831 1108 1385 1662 2216 2493 2770 3324 4155 4432 4986 5441 5540 6648 8310 9972 10882 11080 12465 13296 16323 16620 19944 21764 22160 24930 27205 32646 33240 39888 43528 48969 49860 54410 65292 66480 81615 87056 97938 99720 108820 130584 163230 195876 199440 217640 244845 261168 326460 391752 435280 489690 652920 783504 979380 1305840 1507157 1958760 3014314 3917520 4521471 6028628 7535785 9042942 12057256 13564413 15071570 18085884 22607355 24114512 27128826 30143140 36171768 45214710 54257652 60286280 67822065 72343536 90429420 108515304 120572560 135644130 180858840 217030608 271288260 361717680 542576520 1085153040