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23872036 = 225968009
BaseRepresentation
bin101101100010…
…0001000100100
31122220211021111
41123010020210
522102401121
62211354404
7406623526
oct133041044
948824244
1023872036
1112525461
127bb2a04
134c3a986
143255a16
1521682e1
hex16c4224

23872036 has 6 divisors (see below), whose sum is σ = 41776070. Its totient is φ = 11936016.

The previous prime is 23872027. The next prime is 23872039. The reversal of 23872036 is 63027832.

It can be written as a sum of positive squares in only one way, i.e., 23097636 + 774400 = 4806^2 + 880^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23871989 and 23872007.

It is not an unprimeable number, because it can be changed into a prime (23872039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2984001 + ... + 2984008.

Almost surely, 223872036 is an apocalyptic number.

It is an amenable number.

23872036 is a deficient number, since it is larger than the sum of its proper divisors (17904034).

23872036 is a wasteful number, since it uses less digits than its factorization.

23872036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5968013 (or 5968011 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 23872036 is about 4885.9017591433. The cubic root of 23872036 is about 287.9363445993.

Adding to 23872036 its reverse (63027832), we get a palindrome (86899868).

The spelling of 23872036 in words is "twenty-three million, eight hundred seventy-two thousand, thirty-six".

Divisors: 1 2 4 5968009 11936018 23872036