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85529707 = 471819781
BaseRepresentation
bin1010001100100…
…01010001101011
312221221100200221
411012101101223
5133343422312
612253110511
72055663514
oct506212153
9187840627
1085529707
114430880a
1224788437
13149482c3
14b505a0b
157797207
hex519146b

85529707 has 4 divisors (see below), whose sum is σ = 87349536. Its totient is φ = 83709880.

The previous prime is 85529683. The next prime is 85529723. The reversal of 85529707 is 70792558.

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

It is a cyclic number.

It is not a de Polignac number, because 85529707 - 27 = 85529579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85529767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909844 + ... + 909937.

It is an arithmetic number, because the mean of its divisors is an integer number (21837384).

Almost surely, 285529707 is an apocalyptic number.

85529707 is a deficient number, since it is larger than the sum of its proper divisors (1819829).

85529707 is a wasteful number, since it uses less digits than its factorization.

85529707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819828.

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 85529707 is about 9248.2272355301. The cubic root of 85529707 is about 440.5944221491.

The spelling of 85529707 in words is "eighty-five million, five hundred twenty-nine thousand, seven hundred seven".

Divisors: 1 47 1819781 85529707