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23006172 = 2237401683
BaseRepresentation
bin101011111000…
…0101111011100
31121021211112110
41113300233130
521342144142
62141034020
7366356250
oct127605734
947254473
1023006172
1111a93972
127855910
1349c6827
1430ac260
15204699c
hex15f0bdc

23006172 has 48 divisors (see below), whose sum is σ = 61592832. Its totient is φ = 6547200.

The previous prime is 23006167. The next prime is 23006197. The reversal of 23006172 is 27160032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33343 + ... + 34025.

It is an arithmetic number, because the mean of its divisors is an integer number (1283184).

Almost surely, 223006172 is an apocalyptic number.

It is an amenable number.

23006172 is an abundant number, since it is smaller than the sum of its proper divisors (38586660).

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

23006172 is a wasteful number, since it uses less digits than its factorization.

23006172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 23006172 is about 4796.4749556315. The cubic root of 23006172 is about 284.4121338941.

The spelling of 23006172 in words is "twenty-three million, six thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 401 683 802 1203 1366 1604 2049 2406 2732 2807 4098 4781 4812 5614 8196 8421 9562 11228 14343 16842 19124 28686 33684 57372 273883 547766 821649 1095532 1643298 1917181 3286596 3834362 5751543 7668724 11503086 23006172