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22938964 = 223725971
BaseRepresentation
bin101011110000…
…0010101010100
31121011102100021
41113200111110
521333021324
62135354524
7365656306
oct127402524
947142307
1022938964
1111a48424
127822a44
1349a2069
143091976
152031ae4
hex15e0554

22938964 has 36 divisors (see below), whose sum is σ = 42547680. Its totient is φ = 10815840.

The previous prime is 22938943. The next prime is 22939013. The reversal of 22938964 is 46983922.

It is a self number, because there is not a number n which added to its sum of digits gives 22938964.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323049 + ... + 323119.

It is an arithmetic number, because the mean of its divisors is an integer number (1181880).

Almost surely, 222938964 is an apocalyptic number.

It is an amenable number.

22938964 is a deficient number, since it is larger than the sum of its proper divisors (19608716).

22938964 is a wasteful number, since it uses less digits than its factorization.

22938964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 169 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 22938964 is about 4789.4638530842. The cubic root of 22938964 is about 284.1349124264.

It can be divided in two parts, 229 and 38964, that added together give a palindrome (39193).

The spelling of 22938964 in words is "twenty-two million, nine hundred thirty-eight thousand, nine hundred sixty-four".

Divisors: 1 2 4 37 59 71 74 118 142 148 236 284 1369 2183 2627 2738 4189 4366 5254 5476 8378 8732 10508 16756 80771 97199 154993 161542 194398 309986 323084 388796 619972 5734741 11469482 22938964