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23660625 = 35412619
BaseRepresentation
bin101101001000…
…0100001010001
31122112002021110
41122100201101
522024120000
62203043533
7405053262
oct132204121
948462243
1023660625
11123a063a
127b105a9
134b95691
1431dc969
152125850
hex1690851

23660625 has 20 divisors (see below), whose sum is σ = 39424880. Its totient is φ = 12618000.

The previous prime is 23660597. The next prime is 23660627. The reversal of 23660625 is 52606632.

It is not a de Polignac number, because 23660625 - 28 = 23660369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23660592 and 23660601.

It is not an unprimeable number, because it can be changed into a prime (23660627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4435 + ... + 8184.

It is an arithmetic number, because the mean of its divisors is an integer number (1971244).

Almost surely, 223660625 is an apocalyptic number.

23660625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23660625 is a deficient number, since it is larger than the sum of its proper divisors (15764255).

23660625 is an equidigital number, since it uses as much as digits as its factorization.

23660625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12642 (or 12627 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 23660625 is about 4864.2188478727. The cubic root of 23660625 is about 287.0838339189.

The spelling of 23660625 in words is "twenty-three million, six hundred sixty thousand, six hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 625 1875 12619 37857 63095 189285 315475 946425 1577375 4732125 7886875 23660625