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23072936 = 232884117
BaseRepresentation
bin101100000000…
…1000010101000
31121102020010012
41120001002220
521401313221
62142311052
7400055015
oct130010250
947366105
1023072936
111202a047
127888488
134a1b033
1430c870c
15205b65b
hex16010a8

23072936 has 8 divisors (see below), whose sum is σ = 43261770. Its totient is φ = 11536464.

The previous prime is 23072909. The next prime is 23072963. The reversal of 23072936 is 63927032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23072909) and next prime (23072963).

It can be written as a sum of positive squares in only one way, i.e., 19096900 + 3976036 = 4370^2 + 1994^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1442051 + ... + 1442066.

Almost surely, 223072936 is an apocalyptic number.

It is an amenable number.

23072936 is a deficient number, since it is larger than the sum of its proper divisors (20188834).

23072936 is a wasteful number, since it uses less digits than its factorization.

23072936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884123 (or 2884119 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 23072936 is about 4803.4296081029. The cubic root of 23072936 is about 284.6869898913.

Adding to 23072936 its reverse (63927032), we get a palindrome (86999968).

The spelling of 23072936 in words is "twenty-three million, seventy-two thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 2884117 5768234 11536468 23072936