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86462431 = 1112236427
BaseRepresentation
bin1010010011101…
…00111111011111
320000200202011021
411021310333133
5134113244211
612325105011
72066630026
oct511647737
9200622137
1086462431
1144895560
1224b58167
1314bb3a03
14b6a98bd
1578cd771
hex5274fdf

86462431 has 8 divisors (see below), whose sum is σ = 94414464. Its totient is φ = 78525720.

The previous prime is 86462429. The next prime is 86462447. The reversal of 86462431 is 13426468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86462431 - 21 = 86462429 is a prime.

It is a super-2 number, since 2×864624312 = 14951503948859522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86462461) 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, 10240 + ... + 16666.

It is an arithmetic number, because the mean of its divisors is an integer number (11801808).

Almost surely, 286462431 is an apocalyptic number.

86462431 is a deficient number, since it is larger than the sum of its proper divisors (7952033).

86462431 is a wasteful number, since it uses less digits than its factorization.

86462431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7661.

The product of its digits is 27648, while the sum is 34.

The square root of 86462431 is about 9298.5176775656. The cubic root of 86462431 is about 442.1902346495.

Adding to 86462431 its reverse (13426468), we get a palindrome (99888899).

The spelling of 86462431 in words is "eighty-six million, four hundred sixty-two thousand, four hundred thirty-one".

Divisors: 1 11 1223 6427 13453 70697 7860221 86462431