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1057232512 = 2771179947
BaseRepresentation
bin111111000001000…
…001011010000000
32201200100222100201
4333001001122000
54131122420022
6252524054544
735125220350
oct7701013200
92650328321
101057232512
114a2864486
12256094454
1313b05858b
14a05a8b60
1562c39127
hex3f041680

1057232512 has 32 divisors (see below), whose sum is σ = 2407093920. Its totient is φ = 453099264.

The previous prime is 1057232509. The next prime is 1057232521. The reversal of 1057232512 is 2152327501.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×10572325122 = 2235481168859660288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589078 + ... + 590869.

It is an arithmetic number, because the mean of its divisors is an integer number (75221685).

Almost surely, 21057232512 is an apocalyptic number.

It is an amenable number.

1057232512 is an abundant number, since it is smaller than the sum of its proper divisors (1349861408).

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

1057232512 is an equidigital number, since it uses as much as digits as its factorization.

1057232512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179968 (or 1179956 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1057232512 is about 32515.1120557811. The cubic root of 1057232512 is about 1018.7247011821.

The spelling of 1057232512 in words is "one billion, fifty-seven million, two hundred thirty-two thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 1179947 2359894 4719788 8259629 9439576 16519258 18879152 33038516 37758304 66077032 75516608 132154064 151033216 264308128 528616256 1057232512