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23208196 = 221117192371
BaseRepresentation
bin101100010001…
…0000100000100
31121200002122211
41120202010010
521420130241
62145233204
7401160244
oct130420404
947602584
1023208196
1112111730
127932804
134a6777b
143121b24
152086781
hex1622104

23208196 has 96 divisors (see below), whose sum is σ = 52254720. Its totient is φ = 8870400.

The previous prime is 23208191. The next prime is 23208203. The reversal of 23208196 is 69180232.

It is not an unprimeable number, because it can be changed into a prime (23208191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326841 + ... + 326911.

It is an arithmetic number, because the mean of its divisors is an integer number (544320).

Almost surely, 223208196 is an apocalyptic number.

It is an amenable number.

23208196 is an abundant number, since it is smaller than the sum of its proper divisors (29046524).

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

23208196 is a wasteful number, since it uses less digits than its factorization.

23208196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 23208196 is about 4817.4885573294. The cubic root of 23208196 is about 285.2422112491.

The spelling of 23208196 in words is "twenty-three million, two hundred eight thousand, one hundred ninety-six".

Divisors: 1 2 4 11 17 19 22 23 34 38 44 46 68 71 76 92 142 187 209 253 284 323 374 391 418 437 506 646 748 781 782 836 874 1012 1207 1292 1349 1562 1564 1633 1748 2414 2698 3124 3266 3553 4301 4807 4828 5396 6532 7106 7429 8602 9614 13277 14212 14839 14858 17204 17963 19228 22933 26554 27761 29678 29716 31027 35926 45866 53108 55522 59356 62054 71852 81719 91732 111044 124108 163438 252263 305371 326876 341297 504526 527459 610742 682594 1009052 1054918 1221484 1365188 2109836 5802049 11604098 23208196