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23442872 = 232930359
BaseRepresentation
bin101100101101…
…1010110111000
31122010000120112
41121123112320
522000132442
62154243452
7403155365
oct131332670
948100515
1023442872
1112261a82
127a26588
134b1a52b
14318346c
1520d1082
hex165b5b8

23442872 has 8 divisors (see below), whose sum is σ = 43955400. Its totient is φ = 11721432.

The previous prime is 23442841. The next prime is 23442877. The reversal of 23442872 is 27824432.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23442877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465172 + ... + 1465187.

It is an arithmetic number, because the mean of its divisors is an integer number (5494425).

Almost surely, 223442872 is an apocalyptic number.

It is an amenable number.

23442872 is a deficient number, since it is larger than the sum of its proper divisors (20512528).

23442872 is a wasteful number, since it uses less digits than its factorization.

23442872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930365 (or 2930361 counting only the distinct ones).

The product of its digits is 21504, while the sum is 32.

The square root of 23442872 is about 4841.7839687454. The cubic root of 23442872 is about 286.2004235188.

The spelling of 23442872 in words is "twenty-three million, four hundred forty-two thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 2930359 5860718 11721436 23442872