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86025637 = 106980473
BaseRepresentation
bin1010010000010…
…10010110100101
312222212112222201
411020022112211
5134010310022
612311454501
72063130415
oct510122645
9188775881
1086025637
1144617375
1224987431
1314a8cc59
14b5d4645
157844127
hex520a5a5

86025637 has 4 divisors (see below), whose sum is σ = 86107180. Its totient is φ = 85944096.

The previous prime is 86025631. The next prime is 86025647. The reversal of 86025637 is 73652068.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46662561 + 39363076 = 6831^2 + 6274^2 .

It is a cyclic number.

It is not a de Polignac number, because 86025637 - 211 = 86023589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86025596 and 86025605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86025631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39168 + ... + 41305.

It is an arithmetic number, because the mean of its divisors is an integer number (21526795).

Almost surely, 286025637 is an apocalyptic number.

It is an amenable number.

86025637 is a deficient number, since it is larger than the sum of its proper divisors (81543).

86025637 is a wasteful number, since it uses less digits than its factorization.

86025637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81542.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 86025637 is about 9275.0006469002. Note that the first 3 decimals coincide. The cubic root of 86025637 is about 441.4443530668. Note that the first 3 decimals are identical.

The spelling of 86025637 in words is "eighty-six million, twenty-five thousand, six hundred thirty-seven".

Divisors: 1 1069 80473 86025637