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1057385343 = 3750351683
BaseRepresentation
bin111111000001100…
…110101101111111
32201200122202000010
4333001212231333
54131142312333
6252531234303
735126425050
oct7701465577
92650582003
101057385343
114a2959293
12256148993
1313b0b0001
14a0608727
1562c69563
hex3f066b7f

1057385343 has 8 divisors (see below), whose sum is σ = 1611253888. Its totient is φ = 604220184.

The previous prime is 1057385341. The next prime is 1057385369. The reversal of 1057385343 is 3435837501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1057385343 - 21 = 1057385341 is a prime.

It is a super-2 number, since 2×10573853432 = 2236127527182455298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057385341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25175821 + ... + 25175862.

It is an arithmetic number, because the mean of its divisors is an integer number (201406736).

Almost surely, 21057385343 is an apocalyptic number.

1057385343 is a deficient number, since it is larger than the sum of its proper divisors (553868545).

1057385343 is an equidigital number, since it uses as much as digits as its factorization.

1057385343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50351693.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 1057385343 is about 32517.4621242187. The cubic root of 1057385343 is about 1018.7737869513.

The spelling of 1057385343 in words is "one billion, fifty-seven million, three hundred eighty-five thousand, three hundred forty-three".

Divisors: 1 3 7 21 50351683 151055049 352461781 1057385343