[go: up one dir, main page]

Search a number
-
+
10657689 = 371926711
BaseRepresentation
bin101000101001…
…111110011001
3202001110121020
4220221332121
510212021224
61020233053
7156405660
oct50517631
922043536
1010657689
11601a309
12369b789
132292033
1415b5dd7
15e07c79
hexa29f99

10657689 has 16 divisors (see below), whose sum is σ = 17095680. Its totient is φ = 5769360.

The previous prime is 10657687. The next prime is 10657709. The reversal of 10657689 is 98675601.

It is not a de Polignac number, because 10657689 - 21 = 10657687 is a prime.

It is a super-2 number, since 2×106576892 = 227172669641442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10657689.

It is not an unprimeable number, because it can be changed into a prime (10657687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12957 + ... + 13754.

It is an arithmetic number, because the mean of its divisors is an integer number (1068480).

Almost surely, 210657689 is an apocalyptic number.

10657689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10657689 is a deficient number, since it is larger than the sum of its proper divisors (6437991).

10657689 is a wasteful number, since it uses less digits than its factorization.

10657689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26740.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 10657689 is about 3264.6116154912. The cubic root of 10657689 is about 220.0667084208.

The spelling of 10657689 in words is "ten million, six hundred fifty-seven thousand, six hundred eighty-nine".

Divisors: 1 3 7 19 21 57 133 399 26711 80133 186977 507509 560931 1522527 3552563 10657689