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86223625 = 53689789
BaseRepresentation
bin1010010001110…
…10101100001001
320000020121120121
411020322230021
5134033124000
612320023241
72064613555
oct510725411
9200217517
1086223625
11447420a4
1224a61b21
1314b2c0c7
14b646865
157882b1a
hex523ab09

86223625 has 8 divisors (see below), whose sum is σ = 107607240. Its totient is φ = 68978800.

The previous prime is 86223623. The next prime is 86223647. The reversal of 86223625 is 52632268.

It can be written as a sum of positive squares in 4 ways, for example, as 19245769 + 66977856 = 4387^2 + 8184^2 .

It is not a de Polignac number, because 86223625 - 21 = 86223623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86223623) 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, 344770 + ... + 345019.

It is an arithmetic number, because the mean of its divisors is an integer number (13450905).

Almost surely, 286223625 is an apocalyptic number.

It is an amenable number.

86223625 is a deficient number, since it is larger than the sum of its proper divisors (21383615).

86223625 is an equidigital number, since it uses as much as digits as its factorization.

86223625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689804 (or 689794 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 86223625 is about 9285.6677196635. The cubic root of 86223625 is about 441.7827549756.

The spelling of 86223625 in words is "eighty-six million, two hundred twenty-three thousand, six hundred twenty-five".

Divisors: 1 5 25 125 689789 3448945 17244725 86223625