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23900168 = 232987521
BaseRepresentation
bin101101100101…
…1000000001000
31122222020212102
41123023000020
522104301133
62212132532
7410101535
oct133130010
948866772
1023900168
1112544606
128007148
134c4a716
143261d8c
1521717e8
hex16cb008

23900168 has 8 divisors (see below), whose sum is σ = 44812830. Its totient is φ = 11950080.

The previous prime is 23900167. The next prime is 23900189. The reversal of 23900168 is 86100932.

It can be written as a sum of positive squares in only one way, i.e., 18130564 + 5769604 = 4258^2 + 2402^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 23900168.

It is not an unprimeable number, because it can be changed into a prime (23900167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1493753 + ... + 1493768.

Almost surely, 223900168 is an apocalyptic number.

It is an amenable number.

23900168 is a deficient number, since it is larger than the sum of its proper divisors (20912662).

23900168 is a wasteful number, since it uses less digits than its factorization.

23900168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987527 (or 2987523 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 23900168 is about 4888.7798068639. The cubic root of 23900168 is about 288.0494063901.

The spelling of 23900168 in words is "twenty-three million, nine hundred thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 2987521 5975042 11950084 23900168