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51797373 = 3313715053
BaseRepresentation
bin1100010110010…
…1110101111101
310121110120122020
43011211311331
5101230003443
65050110353
71166161515
oct305456575
9117416566
1051797373
1127269151
121541b3b9
13a967544
146c44845
154832583
hex3165d7d

51797373 has 16 divisors (see below), whose sum is σ = 73222656. Its totient is φ = 32512320.

The previous prime is 51797359. The next prime is 51797381. The reversal of 51797373 is 37379715.

It is not a de Polignac number, because 51797373 - 25 = 51797341 is a prime.

It is a super-2 number, since 2×517973732 = 5365935699402258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51797323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4086 + ... + 10967.

It is an arithmetic number, because the mean of its divisors is an integer number (4576416).

Almost surely, 251797373 is an apocalyptic number.

It is an amenable number.

51797373 is a deficient number, since it is larger than the sum of its proper divisors (21425283).

51797373 is a wasteful number, since it uses less digits than its factorization.

51797373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15124.

The product of its digits is 138915, while the sum is 42.

The square root of 51797373 is about 7197.0391828863. The cubic root of 51797373 is about 372.7656720718.

The spelling of 51797373 in words is "fifty-one million, seven hundred ninety-seven thousand, three hundred seventy-three".

Divisors: 1 3 31 37 93 111 1147 3441 15053 45159 466643 556961 1399929 1670883 17265791 51797373