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85007319 = 3229123737
BaseRepresentation
bin1010001000100…
…01101111010111
312220221211010020
411010101233113
5133230213234
612234000223
72051356515
oct504215727
9186854106
1085007319
1143a91291
1224576073
13147c45b7
14b40b4b5
1576e2549
hex5111bd7

85007319 has 8 divisors (see below), whose sum is σ = 113838960. Its totient is φ = 56423616.

The previous prime is 85007317. The next prime is 85007339. The reversal of 85007319 is 91370058.

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

It is not a de Polignac number, because 85007319 - 21 = 85007317 is a prime.

It is a super-2 number, since 2×850073192 = 14452488567135522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85007319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85007317) 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, 61182 + ... + 62555.

It is an arithmetic number, because the mean of its divisors is an integer number (14229870).

Almost surely, 285007319 is an apocalyptic number.

85007319 is a deficient number, since it is larger than the sum of its proper divisors (28831641).

85007319 is a wasteful number, since it uses less digits than its factorization.

85007319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123969.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 85007319 is about 9219.9413772540. The cubic root of 85007319 is about 439.6955866169.

The spelling of 85007319 in words is "eighty-five million, seven thousand, three hundred nineteen".

Divisors: 1 3 229 687 123737 371211 28335773 85007319