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23673972 = 2237281833
BaseRepresentation
bin101101001001…
…1110001110100
31122112202120210
41122103301310
522030031342
62203225420
7405140220
oct132236164
948482523
1023673972
11123aa673
127b18270
134b9b78a
143203780
15212979c
hex1693c74

23673972 has 24 divisors (see below), whose sum is σ = 63130816. Its totient is φ = 6763968.

The previous prime is 23673961. The next prime is 23673977. The reversal of 23673972 is 27937632.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23673972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23673977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140833 + ... + 141000.

Almost surely, 223673972 is an apocalyptic number.

It is an amenable number.

23673972 is an abundant number, since it is smaller than the sum of its proper divisors (39456844).

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

23673972 is a wasteful number, since it uses less digits than its factorization.

23673972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281847 (or 281845 counting only the distinct ones).

The product of its digits is 95256, while the sum is 39.

The square root of 23673972 is about 4865.5906116318. The cubic root of 23673972 is about 287.1378052695.

The spelling of 23673972 in words is "twenty-three million, six hundred seventy-three thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 281833 563666 845499 1127332 1690998 1972831 3381996 3945662 5918493 7891324 11836986 23673972