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23162132 = 2275991381
BaseRepresentation
bin101100001011…
…0110100010100
31121120202110202
41120112310110
521412142012
62144240032
7400606040
oct130266424
947522422
1023162132
1112090064
127910018
134a4c806
14310d020
152077cc2
hex1616d14

23162132 has 24 divisors (see below), whose sum is σ = 46435200. Its totient is φ = 9902880.

The previous prime is 23162107. The next prime is 23162189. The reversal of 23162132 is 23126132.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 16082 + ... + 17462.

It is an arithmetic number, because the mean of its divisors is an integer number (1934800).

It is a self-describing number.

Almost surely, 223162132 is an apocalyptic number.

It is an amenable number.

23162132 is an abundant number, since it is smaller than the sum of its proper divisors (23273068).

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

23162132 is a wasteful number, since it uses less digits than its factorization.

23162132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991 (or 1989 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 23162132 is about 4812.7052683496. The cubic root of 23162132 is about 285.0533684811.

Adding to 23162132 its reverse (23126132), we get a palindrome (46288264).

The spelling of 23162132 in words is "twenty-three million, one hundred sixty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 599 1198 1381 2396 2762 4193 5524 8386 9667 16772 19334 38668 827219 1654438 3308876 5790533 11581066 23162132