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25923090 = 235864103
BaseRepresentation
bin110001011100…
…0111000010010
31210210000210110
41202320320102
523114014330
62323342150
7433225344
oct142707022
953700713
1025923090
11136a6446
128821956
1354a840b
14362b294
152420db0
hex18b8e12

25923090 has 16 divisors (see below), whose sum is σ = 62215488. Its totient is φ = 6912816.

The previous prime is 25923089. The next prime is 25923091. The reversal of 25923090 is 9032952.

It is an interprime number because it is at equal distance from previous prime (25923089) and next prime (25923091).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 864103 = 25923090 / (2 + 5 + 9 + 2 + 3 + 0 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (25923091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432022 + ... + 432081.

It is an arithmetic number, because the mean of its divisors is an integer number (3888468).

Almost surely, 225923090 is an apocalyptic number.

25923090 is an abundant number, since it is smaller than the sum of its proper divisors (36292398).

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

25923090 is a wasteful number, since it uses less digits than its factorization.

25923090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864113.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 25923090 is about 5091.4722821597. The cubic root of 25923090 is about 295.9572086303.

The spelling of 25923090 in words is "twenty-five million, nine hundred twenty-three thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 864103 1728206 2592309 4320515 5184618 8641030 12961545 25923090