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23487425 = 521372269
BaseRepresentation
bin101100110011…
…0001111000001
31122012021200122
41121212033001
522003044200
62155230025
7403432313
oct131461701
948167618
1023487425
11122924a5
127a48315
134b348b0
1431957b3
1520de385
hex16663c1

23487425 has 12 divisors (see below), whose sum is σ = 31365180. Its totient is φ = 17344320.

The previous prime is 23487413. The next prime is 23487467. The reversal of 23487425 is 52478432.

It can be written as a sum of positive squares in 6 ways, for example, as 4048144 + 19439281 = 2012^2 + 4409^2 .

It is not a de Polignac number, because 23487425 - 212 = 23483329 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35810 + ... + 36459.

It is an arithmetic number, because the mean of its divisors is an integer number (2613765).

Almost surely, 223487425 is an apocalyptic number.

23487425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23487425 is a deficient number, since it is larger than the sum of its proper divisors (7877755).

23487425 is a wasteful number, since it uses less digits than its factorization.

23487425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72292 (or 72287 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 23487425 is about 4846.3826716428. The cubic root of 23487425 is about 286.3816160253.

The spelling of 23487425 in words is "twenty-three million, four hundred eighty-seven thousand, four hundred twenty-five".

Divisors: 1 5 13 25 65 325 72269 361345 939497 1806725 4697485 23487425