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20373912 = 23321321767
BaseRepresentation
bin100110110111…
…0000110011000
31102100002202100
41031232012120
520203431122
62004403400
7335114106
oct115560630
942302670
1020373912
1110556249
1269a6560
1342b4690
1429c4c76
151bc6aac
hex136e198

20373912 has 48 divisors (see below), whose sum is σ = 59426640. Its totient is φ = 6268608.

The previous prime is 20373911. The next prime is 20373917. The reversal of 20373912 is 21937302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20373911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9948 + ... + 11819.

It is an arithmetic number, because the mean of its divisors is an integer number (1238055).

Almost surely, 220373912 is an apocalyptic number.

It is an amenable number.

20373912 is an abundant number, since it is smaller than the sum of its proper divisors (39052728).

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

20373912 is a wasteful number, since it uses less digits than its factorization.

20373912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21792 (or 21785 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 20373912 is about 4513.7470022145. The cubic root of 20373912 is about 273.1229169148.

The spelling of 20373912 in words is "twenty million, three hundred seventy-three thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 234 312 468 936 21767 43534 65301 87068 130602 174136 195903 261204 282971 391806 522408 565942 783612 848913 1131884 1567224 1697826 2263768 2546739 3395652 5093478 6791304 10186956 20373912