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51716057 = 1743263269
BaseRepresentation
bin1100010101000…
…1111111011001
310121022110002112
43011101333121
5101214403212
65044242105
71165402451
oct305217731
9117273075
1051716057
1127213048
12153a0335
13a939523
146c22d61
154818422
hex3151fd9

51716057 has 16 divisors (see below), whose sum is σ = 56453760. Its totient is φ = 47185152.

The previous prime is 51716039. The next prime is 51716069. The reversal of 51716057 is 75061715.

It is a cyclic number.

It is not a de Polignac number, because 51716057 - 214 = 51699673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51716957) 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, 192119 + ... + 192387.

It is an arithmetic number, because the mean of its divisors is an integer number (3528360).

Almost surely, 251716057 is an apocalyptic number.

It is an amenable number.

51716057 is a deficient number, since it is larger than the sum of its proper divisors (4737703).

51716057 is a wasteful number, since it uses less digits than its factorization.

51716057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 51716057 is about 7191.3876964046. The cubic root of 51716057 is about 372.5705032984.

The spelling of 51716057 in words is "fifty-one million, seven hundred sixteen thousand, fifty-seven".

Divisors: 1 17 43 263 269 731 4471 4573 11309 11567 70747 192253 196639 1202699 3042121 51716057