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1057055232 = 293688187
BaseRepresentation
bin111111000000010…
…110001000000000
32201200000222011210
4333000112020000
54131101231412
6252520210120
735123551452
oct7700261000
92650028153
101057055232
114a2753272
12256009940
1313acc598c
14a05602d2
1562c0183c
hex3f016200

1057055232 has 40 divisors (see below), whose sum is σ = 2816065296. Its totient is φ = 352351232.

The previous prime is 1057055227. The next prime is 1057055243. The reversal of 1057055232 is 2325507501.

It is a super-2 number, since 2×10570552322 = 2234731526997147648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057055232.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342558 + ... + 345629.

Almost surely, 21057055232 is an apocalyptic number.

1057055232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1057055232 is an abundant number, since it is smaller than the sum of its proper divisors (1759010064).

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

1057055232 is an frugal number, since it uses more digits than its factorization.

1057055232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688208 (or 688192 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 1057055232 is about 32512.3858244823. The cubic root of 1057055232 is about 1018.6677570352.

The spelling of 1057055232 in words is "one billion, fifty-seven million, fifty-five thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1536 688187 1376374 2064561 2752748 4129122 5505496 8258244 11010992 16516488 22021984 33032976 44043968 66065952 88087936 132131904 176175872 264263808 352351744 528527616 1057055232