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23638612 = 2210954217
BaseRepresentation
bin101101000101…
…1001001010100
31122110222002011
41122023021110
522022413422
62202354004
7404632144
oct132131124
948428064
1023638612
1112386048
127abb904
134b8865a
1431d4924
15211e077
hex168b254

23638612 has 12 divisors (see below), whose sum is σ = 41747860. Its totient is φ = 11710656.

The previous prime is 23638607. The next prime is 23638627. The reversal of 23638612 is 21683632.

It can be written as a sum of positive squares in 2 ways, for example, as 8785296 + 14853316 = 2964^2 + 3854^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26673 + ... + 27544.

Almost surely, 223638612 is an apocalyptic number.

It is an amenable number.

23638612 is a deficient number, since it is larger than the sum of its proper divisors (18109248).

23638612 is a wasteful number, since it uses less digits than its factorization.

23638612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54330 (or 54328 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 23638612 is about 4861.9555736350. The cubic root of 23638612 is about 286.9947754475.

The spelling of 23638612 in words is "twenty-three million, six hundred thirty-eight thousand, six hundred twelve".

Divisors: 1 2 4 109 218 436 54217 108434 216868 5909653 11819306 23638612