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25168023 = 33932149
BaseRepresentation
bin110000000000…
…0100010010111
31202100200001000
41200000202113
522420334043
62255234343
7423632106
oct140004227
952320030
1025168023
1113230121
1285189b3
1352a282a
1434b203d
1523222d3
hex1800897

25168023 has 8 divisors (see below), whose sum is σ = 37286000. Its totient is φ = 16778664.

The previous prime is 25168019. The next prime is 25168061. The reversal of 25168023 is 32086152.

It is not a de Polignac number, because 25168023 - 22 = 25168019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 932149 = 25168023 / (2 + 5 + 1 + 6 + 8 + 0 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25168093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466048 + ... + 466101.

It is an arithmetic number, because the mean of its divisors is an integer number (4660750).

Almost surely, 225168023 is an apocalyptic number.

25168023 is a deficient number, since it is larger than the sum of its proper divisors (12117977).

25168023 is an equidigital number, since it uses as much as digits as its factorization.

25168023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932158 (or 932152 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 25168023 is about 5016.7741627464. The cubic root of 25168023 is about 293.0553813628.

The spelling of 25168023 in words is "twenty-five million, one hundred sixty-eight thousand, twenty-three".

Divisors: 1 3 9 27 932149 2796447 8389341 25168023