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7668238 = 22924797
BaseRepresentation
bin11101010000001000001110
3112102120211211
4131100020032
53430340423
6432205034
7122115244
oct35201016
915376754
107668238
114368296
12269977a
131786426
141038794
15a1710d
hex75020e

7668238 has 24 divisors (see below), whose sum is σ = 12291552. Its totient is φ = 3585792.

The previous prime is 7668203. The next prime is 7668251. The reversal of 7668238 is 8328667.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 78 + 66 + 68 + 8 + 2 + 311 + 8 .

It is a self number, because there is not a number n which added to its sum of digits gives 7668238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79006 + ... + 79102.

It is an arithmetic number, because the mean of its divisors is an integer number (512148).

Almost surely, 27668238 is an apocalyptic number.

7668238 is a deficient number, since it is larger than the sum of its proper divisors (4623314).

7668238 is a wasteful number, since it uses less digits than its factorization.

7668238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 175 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 7668238 is about 2769.1583558908. The cubic root of 7668238 is about 197.1961936982.

The spelling of 7668238 in words is "seven million, six hundred sixty-eight thousand, two hundred thirty-eight".

Divisors: 1 2 29 47 58 94 97 194 841 1363 1682 2726 2813 4559 5626 9118 39527 79054 81577 132211 163154 264422 3834119 7668238