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51256127 = 1327114549
BaseRepresentation
bin1100001110000…
…1101100111111
310120110002012002
43003201230333
5101110144002
65030332515
71161445526
oct303415477
9116402162
1051256127
1126a2953a
12151ba13b
13a808090
146b434bd
154777002
hex30e1b3f

51256127 has 8 divisors (see below), whose sum is σ = 55406400. Its totient is φ = 47135520.

The previous prime is 51256099. The next prime is 51256151. The reversal of 51256127 is 72165215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51256127 - 212 = 51252031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51256127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51256727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3752 + ... + 10797.

It is an arithmetic number, because the mean of its divisors is an integer number (6925800).

Almost surely, 251256127 is an apocalyptic number.

51256127 is a deficient number, since it is larger than the sum of its proper divisors (4150273).

51256127 is a wasteful number, since it uses less digits than its factorization.

51256127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14833.

The product of its digits is 4200, while the sum is 29.

The square root of 51256127 is about 7159.3384470913. The cubic root of 51256127 is about 371.4627438340.

The spelling of 51256127 in words is "fifty-one million, two hundred fifty-six thousand, one hundred twenty-seven".

Divisors: 1 13 271 3523 14549 189137 3942779 51256127