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85706711 = 251341461
BaseRepresentation
bin1010001101111…
…00011111010111
312222021100111122
411012330133113
5133420103321
612300554155
72060331536
oct506743727
9188240448
1085706711
11444197a2
122485295b
13149aaa3c
14b55031d
1577ce8ab
hex51bc7d7

85706711 has 4 divisors (see below), whose sum is σ = 86048424. Its totient is φ = 85365000.

The previous prime is 85706693. The next prime is 85706813. The reversal of 85706711 is 11760758.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85706711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85706011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170480 + ... + 170981.

It is an arithmetic number, because the mean of its divisors is an integer number (21512106).

Almost surely, 285706711 is an apocalyptic number.

85706711 is a deficient number, since it is larger than the sum of its proper divisors (341713).

85706711 is a wasteful number, since it uses less digits than its factorization.

85706711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341712.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 85706711 is about 9257.7919073611. The cubic root of 85706711 is about 440.8981499084.

The spelling of 85706711 in words is "eighty-five million, seven hundred six thousand, seven hundred eleven".

Divisors: 1 251 341461 85706711