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51396792 = 2332141533
BaseRepresentation
bin1100010000010…
…0000010111000
310120201020010220
43010010002320
5101124144132
65033340040
71162602606
oct304040270
9116636126
1051396792
1127015197
1215267620
13a857105
146b7c876
1547a3a2c
hex31040b8

51396792 has 16 divisors (see below), whose sum is σ = 128492040. Its totient is φ = 17132256.

The previous prime is 51396769. The next prime is 51396809. The reversal of 51396792 is 29769315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070743 + ... + 1070790.

Almost surely, 251396792 is an apocalyptic number.

It is an amenable number.

51396792 is an abundant number, since it is smaller than the sum of its proper divisors (77095248).

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

51396792 is a wasteful number, since it uses less digits than its factorization.

51396792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141542 (or 2141538 counting only the distinct ones).

The product of its digits is 102060, while the sum is 42.

The square root of 51396792 is about 7169.1555988136. The cubic root of 51396792 is about 371.8022419811.

The spelling of 51396792 in words is "fifty-one million, three hundred ninety-six thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 2141533 4283066 6424599 8566132 12849198 17132264 25698396 51396792