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10913557 = 371372153
BaseRepresentation
bin101001101000…
…011100010101
3202112110120211
4221220130111
510243213212
61025525421
7161522644
oct51503425
922473524
1010913557
116184576
1237a3871
132351635
14164135b
15e589a7
hexa68715

10913557 has 8 divisors (see below), whose sum is σ = 11295576. Its totient is φ = 10536192.

The previous prime is 10913537. The next prime is 10913561. The reversal of 10913557 is 75531901.

It can be written as a sum of positive squares in 4 ways, for example, as 1726596 + 9186961 = 1314^2 + 3031^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10913557 - 215 = 10880789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10913527) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3993 + ... + 6145.

It is an arithmetic number, because the mean of its divisors is an integer number (1411947).

Almost surely, 210913557 is an apocalyptic number.

It is an amenable number.

10913557 is a deficient number, since it is larger than the sum of its proper divisors (382019).

10913557 is a wasteful number, since it uses less digits than its factorization.

10913557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 10913557 is about 3303.5673142832. The cubic root of 10913557 is about 221.8139081158.

The spelling of 10913557 in words is "ten million, nine hundred thirteen thousand, five hundred fifty-seven".

Divisors: 1 37 137 2153 5069 79661 294961 10913557