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51061127 = 1323170773
BaseRepresentation
bin1100001011001…
…0000110000111
310120002011200212
43002302012013
5101032424002
65022230035
71160004155
oct302620607
9116064625
1051061127
1126905a87
121512531b
13a76a3b0
146ad23d5
154739352
hex30b2187

51061127 has 8 divisors (see below), whose sum is σ = 57380064. Its totient is φ = 45083808.

The previous prime is 51061111. The next prime is 51061139. The reversal of 51061127 is 72116015.

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 51061127 - 24 = 51061111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51061027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85088 + ... + 85685.

It is an arithmetic number, because the mean of its divisors is an integer number (7172508).

Almost surely, 251061127 is an apocalyptic number.

51061127 is a deficient number, since it is larger than the sum of its proper divisors (6318937).

51061127 is a wasteful number, since it uses less digits than its factorization.

51061127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170809.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 51061127 is about 7145.7068929533. The cubic root of 51061127 is about 370.9910780252.

The spelling of 51061127 in words is "fifty-one million, sixty-one thousand, one hundred twenty-seven".

Divisors: 1 13 23 299 170773 2220049 3927779 51061127