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23012016 = 2431728201
BaseRepresentation
bin101011111001…
…0001010110000
31121022010112220
41113302022300
521342341031
62141121040
7366412266
oct127621260
947263486
1023012016
1111a982a5
127859180
1349c93a1
1430b0436
152048596
hex15f22b0

23012016 has 40 divisors (see below), whose sum is σ = 62946864. Its totient is φ = 7219200.

The previous prime is 23011997. The next prime is 23012047. The reversal of 23012016 is 61021032.

It is a junction number, because it is equal to n+sod(n) for n = 23011986 and 23012004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13285 + ... + 14916.

Almost surely, 223012016 is an apocalyptic number.

It is an amenable number.

23012016 is an abundant number, since it is smaller than the sum of its proper divisors (39934848).

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

23012016 is a wasteful number, since it uses less digits than its factorization.

23012016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28229 (or 28223 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 23012016 is about 4797.0841143345. The cubic root of 23012016 is about 284.4362138641.

Adding to 23012016 its reverse (61021032), we get a palindrome (84033048).

It can be divided in two parts, 230 and 12016, that added together give a triangular number (12246 = T156).

The spelling of 23012016 in words is "twenty-three million, twelve thousand, sixteen".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 28201 56402 84603 112804 169206 225608 338412 451216 479417 676824 958834 1353648 1438251 1917668 2876502 3835336 5753004 7670672 11506008 23012016