Search a number
-
+
8912137 = 1343107149
BaseRepresentation
bin100001111111…
…110100001001
3121202210011011
4201333310021
54240142022
6515003521
7135515623
oct41776411
917683134
108912137
115037903
122b995a1
131b00670
14127dc13
15bb0977
hex87fd09

8912137 has 16 divisors (see below), whose sum is σ = 9979200. Its totient is φ = 7906752.

The previous prime is 8912107. The next prime is 8912147. The reversal of 8912137 is 7312198.

It is a cyclic number.

It is not a de Polignac number, because 8912137 - 211 = 8910089 is a prime.

It is a Duffinian number.

8912137 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8912099 and 8912108.

It is not an unprimeable number, because it can be changed into a prime (8912107) 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, 59739 + ... + 59887.

It is an arithmetic number, because the mean of its divisors is an integer number (623700).

Almost surely, 28912137 is an apocalyptic number.

It is an amenable number.

8912137 is a deficient number, since it is larger than the sum of its proper divisors (1067063).

8912137 is a wasteful number, since it uses less digits than its factorization.

8912137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312.

The product of its digits is 3024, while the sum is 31.

The square root of 8912137 is about 2985.3202508274. The cubic root of 8912137 is about 207.3292697331.

The spelling of 8912137 in words is "eight million, nine hundred twelve thousand, one hundred thirty-seven".

Divisors: 1 13 43 107 149 559 1391 1937 4601 6407 15943 59813 83291 207259 685549 8912137