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23120132 = 2271077717
BaseRepresentation
bin101100000110…
…0100100000100
31121111121212012
41120030210010
521404321012
62143313352
7400342430
oct130144404
947447765
1023120132
1112061552
1278ab858
134a36669
1430db9c0
15206a622
hex160c904

23120132 has 24 divisors (see below), whose sum is σ = 46678464. Its totient is φ = 9814752.

The previous prime is 23120039. The next prime is 23120171. The reversal of 23120132 is 23102132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863 + ... + 6854.

It is an arithmetic number, because the mean of its divisors is an integer number (1944936).

Almost surely, 223120132 is an apocalyptic number.

It is an amenable number.

23120132 is an abundant number, since it is smaller than the sum of its proper divisors (23558332).

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

23120132 is a wasteful number, since it uses less digits than its factorization.

23120132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7835 (or 7833 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 23120132 is about 4808.3398382394. The cubic root of 23120132 is about 284.8809680416.

Adding to 23120132 its reverse (23102132), we get a palindrome (46222264).

The spelling of 23120132 in words is "twenty-three million, one hundred twenty thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 107 214 428 749 1498 2996 7717 15434 30868 54019 108038 216076 825719 1651438 3302876 5780033 11560066 23120132