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23199772 = 227973417
BaseRepresentation
bin101100010000…
…0000000011100
31121122200002211
41120200000130
521414343042
62145130204
7401123551
oct130400034
947580084
1023199772
1112106372
127929964
134a6399b
14311ca28
152084017
hex162001c

23199772 has 12 divisors (see below), whose sum is σ = 41114080. Its totient is φ = 11452896.

The previous prime is 23199769. The next prime is 23199773. The reversal of 23199772 is 27799132.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23199773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36393 + ... + 37024.

Almost surely, 223199772 is an apocalyptic number.

It is an amenable number.

23199772 is a deficient number, since it is larger than the sum of its proper divisors (17914308).

23199772 is a wasteful number, since it uses less digits than its factorization.

23199772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73500 (or 73498 counting only the distinct ones).

The product of its digits is 47628, while the sum is 40.

The square root of 23199772 is about 4816.6141634970. The cubic root of 23199772 is about 285.2076951213.

The spelling of 23199772 in words is "twenty-three million, one hundred ninety-nine thousand, seven hundred seventy-two".

Divisors: 1 2 4 79 158 316 73417 146834 293668 5799943 11599886 23199772