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20632674 = 2312727077
BaseRepresentation
bin100111010110…
…1010001100010
31102211020201010
41032231101202
520240221144
62014121350
7340242366
oct116552142
942736633
1020632674
11107126a7
126ab0256
1343753aa
142a512a6
151c285b9
hex13ad462

20632674 has 16 divisors (see below), whose sum is σ = 41591808. Its totient is φ = 6823152.

The previous prime is 20632663. The next prime is 20632691. The reversal of 20632674 is 47623602.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12777 + ... + 14300.

It is an arithmetic number, because the mean of its divisors is an integer number (2599488).

Almost surely, 220632674 is an apocalyptic number.

20632674 is an abundant number, since it is smaller than the sum of its proper divisors (20959134).

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

20632674 is a wasteful number, since it uses less digits than its factorization.

20632674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27209.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 20632674 is about 4542.3203321650. The cubic root of 20632674 is about 274.2743358530.

The spelling of 20632674 in words is "twenty million, six hundred thirty-two thousand, six hundred seventy-four".

Divisors: 1 2 3 6 127 254 381 762 27077 54154 81231 162462 3438779 6877558 10316337 20632674