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7668996 = 223639083
BaseRepresentation
bin11101010000010100000100
3112102121212220
4131100110010
53430401441
6432212340
7122120406
oct35202404
915377786
107668996
114368915
12269a0b0
13178688a
141038b76
15a17466
hex750504

7668996 has 12 divisors (see below), whose sum is σ = 17894352. Its totient is φ = 2556328.

The previous prime is 7668977. The next prime is 7669001. The reversal of 7668996 is 6998667.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319530 + ... + 319553.

It is an arithmetic number, because the mean of its divisors is an integer number (1491196).

Almost surely, 27668996 is an apocalyptic number.

It is an amenable number.

7668996 is an abundant number, since it is smaller than the sum of its proper divisors (10225356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7668996 is a wasteful number, since it uses less digits than its factorization.

7668996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639090 (or 639088 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The square root of 7668996 is about 2769.2952171988. The cubic root of 7668996 is about 197.2026910530.

The spelling of 7668996 in words is "seven million, six hundred sixty-eight thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 639083 1278166 1917249 2556332 3834498 7668996