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1057810908 = 2237113730941
BaseRepresentation
bin111111000011001…
…110100111011100
32201201110100202210
4333003032213130
54131244422113
6252544320420
735133146550
oct7703164734
92651410683
101057810908
114a3119aa0
12256313110
1313b1cb91b
14a06b9860
1562d006c3
hex3f0ce9dc

1057810908 has 96 divisors (see below), whose sum is σ = 3160539648. Its totient is φ = 267321600.

The previous prime is 1057810889. The next prime is 1057810939. The reversal of 1057810908 is 8090187501.

It is a super-2 number, since 2×10578109082 = 2237927834167568928, which contains 22 as substring.

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, 18718 + ... + 49658.

It is an arithmetic number, because the mean of its divisors is an integer number (32922288).

Almost surely, 21057810908 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 1057810908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580269824).

1057810908 is an abundant number, since it is smaller than the sum of its proper divisors (2102728740).

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

1057810908 is a wasteful number, since it uses less digits than its factorization.

1057810908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31003 (or 31001 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 39.

The square root of 1057810908 is about 32524.0051039229. The cubic root of 1057810908 is about 1018.9104436327.

The spelling of 1057810908 in words is "one billion, fifty-seven million, eight hundred ten thousand, nine hundred eight".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 37 42 44 66 74 77 84 111 132 148 154 222 231 259 308 407 444 462 518 777 814 924 1036 1221 1554 1628 2442 2849 3108 4884 5698 8547 11396 17094 30941 34188 61882 92823 123764 185646 216587 340351 371292 433174 649761 680702 866348 1021053 1144817 1299522 1361404 2042106 2289634 2382457 2599044 3434451 4084212 4579268 4764914 6868902 7147371 8013719 9529828 12592987 13737804 14294742 16027438 24041157 25185974 28589484 32054876 37778961 48082314 50371948 75557922 88150909 96164628 151115844 176301818 264452727 352603636 528905454 1057810908