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23623420 = 2251181171
BaseRepresentation
bin101101000011…
…1011011111100
31122110012020111
41122013123330
522021422140
62202155404
7404536642
oct132073374
948405214
1023623420
1112375697
127ab2b64
134b81772
1431cd192
1521197ea
hex16876fc

23623420 has 12 divisors (see below), whose sum is σ = 49609224. Its totient is φ = 9449360.

The previous prime is 23623417. The next prime is 23623447. The reversal of 23623420 is 2432632.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23623391 and 23623400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590566 + ... + 590605.

It is an arithmetic number, because the mean of its divisors is an integer number (4134102).

Almost surely, 223623420 is an apocalyptic number.

23623420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23623420 is an abundant number, since it is smaller than the sum of its proper divisors (25985804).

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

23623420 is a wasteful number, since it uses less digits than its factorization.

23623420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181180 (or 1181178 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 23623420 is about 4860.3929882264. The cubic root of 23623420 is about 286.9332805933.

The spelling of 23623420 in words is "twenty-three million, six hundred twenty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1181171 2362342 4724684 5905855 11811710 23623420