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85712127 = 365343753
BaseRepresentation
bin1010001101111…
…01110011111111
312222021121221020
411012331303333
5133420242002
612301035223
72060353404
oct506756377
9188247836
1085712127
1144422876
1224855b13
13149b0347
14b5522ab
1577d12bc
hex51bdcff

85712127 has 8 divisors (see below), whose sum is σ = 114460464. Its totient is φ = 57052608.

The previous prime is 85712111. The next prime is 85712129. The reversal of 85712127 is 72121758.

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

It is not a de Polignac number, because 85712127 - 24 = 85712111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85712129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19918 + ... + 23835.

It is an arithmetic number, because the mean of its divisors is an integer number (14307558).

Almost surely, 285712127 is an apocalyptic number.

85712127 is a deficient number, since it is larger than the sum of its proper divisors (28748337).

85712127 is a wasteful number, since it uses less digits than its factorization.

85712127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44409.

The product of its digits is 7840, while the sum is 33.

The square root of 85712127 is about 9258.0844130954. The cubic root of 85712127 is about 440.9074368283.

The spelling of 85712127 in words is "eighty-five million, seven hundred twelve thousand, one hundred twenty-seven".

Divisors: 1 3 653 1959 43753 131259 28570709 85712127