Search a number
-
+
10557897 = 372321859
BaseRepresentation
bin101000010001…
…100111001001
3201212101201020
4220101213021
510200323042
61014143053
7155512020
oct50214711
921771636
1010557897
115a61339
123651a89
13225879c
14158b8b7
15dd83ec
hexa119c9

10557897 has 16 divisors (see below), whose sum is σ = 16788480. Its totient is φ = 5770512.

The previous prime is 10557893. The next prime is 10557923. The reversal of 10557897 is 79875501.

10557897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10557897 - 22 = 10557893 is a prime.

It is a super-2 number, since 2×105578972 = 222938378125218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10557893) 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, 10447 + ... + 11412.

It is an arithmetic number, because the mean of its divisors is an integer number (1049280).

Almost surely, 210557897 is an apocalyptic number.

It is an amenable number.

10557897 is a deficient number, since it is larger than the sum of its proper divisors (6230583).

10557897 is a wasteful number, since it uses less digits than its factorization.

10557897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21892.

The product of its (nonzero) digits is 88200, while the sum is 42.

The square root of 10557897 is about 3249.2917689860. The cubic root of 10557897 is about 219.3776973070.

The spelling of 10557897 in words is "ten million, five hundred fifty-seven thousand, eight hundred ninety-seven".

Divisors: 1 3 7 21 23 69 161 483 21859 65577 153013 459039 502757 1508271 3519299 10557897