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10508057 = 717227389
BaseRepresentation
bin101000000101…
…011100011001
3201202212100022
4220011130121
510142224212
61013120225
7155213510
oct50053431
921685308
1010508057
115a2794a
123629075
13223bbb1
141577677
15dc8772
hexa05719

10508057 has 16 divisors (see below), whose sum is σ = 12804480. Its totient is φ = 8418048.

The previous prime is 10508053. The next prime is 10508059. The reversal of 10508057 is 75080501.

It is a cyclic number.

It is not a de Polignac number, because 10508057 - 22 = 10508053 is a prime.

It is a super-2 number, since 2×105080572 = 220838523830498, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (10508051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26819 + ... + 27207.

It is an arithmetic number, because the mean of its divisors is an integer number (800280).

Almost surely, 210508057 is an apocalyptic number.

10508057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10508057 is a deficient number, since it is larger than the sum of its proper divisors (2296423).

10508057 is a wasteful number, since it uses less digits than its factorization.

10508057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 10508057 is about 3241.6133328946. The cubic root of 10508057 is about 219.0319518583.

Adding to 10508057 its reverse (75080501), we get a palindrome (85588558).

The spelling of 10508057 in words is "ten million, five hundred eight thousand, fifty-seven".

Divisors: 1 7 17 119 227 389 1589 2723 3859 6613 27013 46291 88303 618121 1501151 10508057