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22975092 = 223271731173
BaseRepresentation
bin101011110100…
…1001001110100
31121020020220100
41113221021310
521340200332
62140234100
7366166530
oct127511164
947206810
1022975092
1111a72588
12783b930
1349b563a
1430a0bc0
15203c67c
hex15e9274

22975092 has 144 divisors (see below), whose sum is σ = 72963072. Its totient is φ = 5944320.

The previous prime is 22975081. The next prime is 22975093. The reversal of 22975092 is 29057922.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22975093) 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 47 ways as a sum of consecutive naturals, for example, 132718 + ... + 132890.

It is an arithmetic number, because the mean of its divisors is an integer number (506688).

Almost surely, 222975092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22975092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36481536).

22975092 is an abundant number, since it is smaller than the sum of its proper divisors (49987980).

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

22975092 is a wasteful number, since it uses less digits than its factorization.

22975092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 22975092 is about 4793.2339813533. The cubic root of 22975092 is about 284.2840014278.

The spelling of 22975092 in words is "twenty-two million, nine hundred seventy-five thousand, ninety-two".

Divisors: 1 2 3 4 6 7 9 12 14 17 18 21 28 31 34 36 42 51 62 63 68 84 93 102 119 124 126 153 173 186 204 217 238 252 279 306 346 357 372 434 476 519 527 558 612 651 692 714 868 1038 1054 1071 1116 1211 1302 1428 1557 1581 1953 2076 2108 2142 2422 2604 2941 3114 3162 3633 3689 3906 4284 4743 4844 5363 5882 6228 6324 7266 7378 7812 8823 9486 10726 10899 11067 11764 14532 14756 16089 17646 18972 20587 21452 21798 22134 26469 32178 33201 35292 37541 41174 43596 44268 48267 52938 61761 64356 66402 75082 82348 91171 96534 105876 112623 123522 132804 150164 182342 185283 193068 225246 247044 273513 337869 364684 370566 450492 547026 638197 675738 741132 820539 1094052 1276394 1351476 1641078 1914591 2552788 3282156 3829182 5743773 7658364 11487546 22975092