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85807707 = 364344483
BaseRepresentation
bin1010001110101…
…01001001011011
312222110111001020
411013111021123
5133431321312
612303053523
72061232146
oct507251133
9188414036
1085807707
1144488667
12248a12a3
1314a149bb
14b57905d
1577ee78c
hex51d525b

85807707 has 8 divisors (see below), whose sum is σ = 114590784. Its totient is φ = 57114888.

The previous prime is 85807697. The next prime is 85807727. The reversal of 85807707 is 70770858.

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

It is not a de Polignac number, because 85807707 - 26 = 85807643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85807727) 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, 20313 + ... + 24170.

It is an arithmetic number, because the mean of its divisors is an integer number (14323848).

Almost surely, 285807707 is an apocalyptic number.

85807707 is a deficient number, since it is larger than the sum of its proper divisors (28783077).

85807707 is a wasteful number, since it uses less digits than its factorization.

85807707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45129.

The product of its (nonzero) digits is 109760, while the sum is 42.

The square root of 85807707 is about 9263.2449498003. The cubic root of 85807707 is about 441.0712653686.

The spelling of 85807707 in words is "eighty-five million, eight hundred seven thousand, seven hundred seven".

Divisors: 1 3 643 1929 44483 133449 28602569 85807707