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86910253 is a prime number
BaseRepresentation
bin1010010111000…
…10010100101101
320001112111110021
411023202110231
5134222112003
612342442141
72103503443
oct513422455
9201474407
1086910253
1145070a61
1225133351
131500c7b1
14b784b93
15796b2bd
hex52e252d

86910253 has 2 divisors, whose sum is σ = 86910254. Its totient is φ = 86910252.

The previous prime is 86910217. The next prime is 86910259. The reversal of 86910253 is 35201968.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86174089 + 736164 = 9283^2 + 858^2 .

It is a cyclic number.

It is not a de Polignac number, because 86910253 - 29 = 86909741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86910259) 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 as a sum of consecutive naturals, namely, 43455126 + 43455127.

It is an arithmetic number, because the mean of its divisors is an integer number (43455127).

Almost surely, 286910253 is an apocalyptic number.

It is an amenable number.

86910253 is a deficient number, since it is larger than the sum of its proper divisors (1).

86910253 is an equidigital number, since it uses as much as digits as its factorization.

86910253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 86910253 is about 9322.5668675532. The cubic root of 86910253 is about 442.9523445247.

The spelling of 86910253 in words is "eighty-six million, nine hundred ten thousand, two hundred fifty-three".