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23004870 = 2357109547
BaseRepresentation
bin101011111000…
…0011011000110
31121021202202020
41113300123012
521342123440
62141024010
7366352410
oct127603306
947252666
1023004870
1111a92999
127855006
1349c6065
1430ab9b0
1520463d0
hex15f06c6

23004870 has 32 divisors (see below), whose sum is σ = 63099648. Its totient is φ = 5258208.

The previous prime is 23004851. The next prime is 23004881. The reversal of 23004870 is 7840032.

23004870 = T1129 + T1130 + ... + T1163.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23004870.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 54564 + ... + 54983.

It is an arithmetic number, because the mean of its divisors is an integer number (1971864).

Almost surely, 223004870 is an apocalyptic number.

23004870 is an abundant number, since it is smaller than the sum of its proper divisors (40094778).

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

23004870 is a wasteful number, since it uses less digits than its factorization.

23004870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109564.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 23004870 is about 4796.3392290371. The cubic root of 23004870 is about 284.4067684994.

The spelling of 23004870 in words is "twenty-three million, four thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 109547 219094 328641 547735 657282 766829 1095470 1533658 1643205 2300487 3286410 3834145 4600974 7668290 11502435 23004870