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85814372 = 22719915401
BaseRepresentation
bin1010001110101…
…10110001100100
312222110211012002
411013112301210
5133432024442
612303144432
72061260450
oct507266144
9188424162
1085814372
1144492676
12248a5118
1314a17a47
14b57b660
157801732
hex51d6c64

85814372 has 24 divisors (see below), whose sum is σ = 172502400. Its totient is φ = 36590400.

The previous prime is 85814371. The next prime is 85814381. The reversal of 85814372 is 27341858.

It is not an unprimeable number, because it can be changed into a prime (85814371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2129 + ... + 13272.

It is an arithmetic number, because the mean of its divisors is an integer number (7187600).

Almost surely, 285814372 is an apocalyptic number.

It is an amenable number.

85814372 is an abundant number, since it is smaller than the sum of its proper divisors (86688028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85814372 is a wasteful number, since it uses less digits than its factorization.

85814372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15611 (or 15609 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 85814372 is about 9263.6046979564. The cubic root of 85814372 is about 441.0826849484.

The spelling of 85814372 in words is "eighty-five million, eight hundred fourteen thousand, three hundred seventy-two".

Divisors: 1 2 4 7 14 28 199 398 796 1393 2786 5572 15401 30802 61604 107807 215614 431228 3064799 6129598 12259196 21453593 42907186 85814372