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86427097 = 97891001
BaseRepresentation
bin1010010011011…
…00010111011001
320000121221200121
411021230113121
5134111131342
612324233241
72066422021
oct511542731
9200557617
1086427097
1144870a59
1224b3b821
1314ba08c3
14b69aa81
1578c3067
hex526c5d9

86427097 has 4 divisors (see below), whose sum is σ = 87318196. Its totient is φ = 85536000.

The previous prime is 86427073. The next prime is 86427113. The reversal of 86427097 is 79072468.

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 26998416 + 59428681 = 5196^2 + 7709^2 .

It is a cyclic number.

It is not a de Polignac number, because 86427097 - 211 = 86425049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86427007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445404 + ... + 445597.

It is an arithmetic number, because the mean of its divisors is an integer number (21829549).

Almost surely, 286427097 is an apocalyptic number.

It is an amenable number.

86427097 is a deficient number, since it is larger than the sum of its proper divisors (891099).

86427097 is an equidigital number, since it uses as much as digits as its factorization.

86427097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891098.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 86427097 is about 9296.6175031567. The cubic root of 86427097 is about 442.1299908403.

The spelling of 86427097 in words is "eighty-six million, four hundred twenty-seven thousand, ninety-seven".

Divisors: 1 97 891001 86427097