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86974495 = 5195691609
BaseRepresentation
bin1010010111100…
…10000000011111
320001122202120121
411023302000133
5134231140440
612344055411
72104161646
oct513620037
9201582517
1086974495
1145105253
1225164567
1315032aca
14b7a035d
15798034a
hex52f201f

86974495 has 16 divisors (see below), whose sum is σ = 110124000. Its totient is φ = 65760768.

The previous prime is 86974493. The next prime is 86974501. The reversal of 86974495 is 59447968.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 86974495 - 21 = 86974493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86974493) 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 15 ways as a sum of consecutive naturals, for example, 53251 + ... + 54859.

It is an arithmetic number, because the mean of its divisors is an integer number (6882750).

Almost surely, 286974495 is an apocalyptic number.

86974495 is a deficient number, since it is larger than the sum of its proper divisors (23149505).

86974495 is a wasteful number, since it uses less digits than its factorization.

86974495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202.

The product of its digits is 2177280, while the sum is 52.

The square root of 86974495 is about 9326.0117413608. The cubic root of 86974495 is about 443.0614576042.

The spelling of 86974495 in words is "eighty-six million, nine hundred seventy-four thousand, four hundred ninety-five".

Divisors: 1 5 19 95 569 1609 2845 8045 10811 30571 54055 152855 915521 4577605 17394899 86974495