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86898965 = 5109315901
BaseRepresentation
bin1010010110111…
…11100100010101
320001111220222012
411023133210111
5134221231330
612342314005
72103425516
oct513374425
9201456865
1086898965
114506352a
1225128905
131500760a
14b780a0d
157967c95
hex52df915

86898965 has 8 divisors (see below), whose sum is σ = 104380728. Its totient is φ = 69451200.

The previous prime is 86898949. The next prime is 86898971. The reversal of 86898965 is 56989868.

It can be written as a sum of positive squares in 4 ways, for example, as 62078641 + 24820324 = 7879^2 + 4982^2 .

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

It is not a de Polignac number, because 86898965 - 24 = 86898949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486 + ... + 13415.

It is an arithmetic number, because the mean of its divisors is an integer number (13047591).

Almost surely, 286898965 is an apocalyptic number.

It is an amenable number.

86898965 is a deficient number, since it is larger than the sum of its proper divisors (17481763).

86898965 is a wasteful number, since it uses less digits than its factorization.

86898965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16999.

The product of its digits is 7464960, while the sum is 59.

The square root of 86898965 is about 9321.9614352345. The cubic root of 86898965 is about 442.9331666472.

The spelling of 86898965 in words is "eighty-six million, eight hundred ninety-eight thousand, nine hundred sixty-five".

Divisors: 1 5 1093 5465 15901 79505 17379793 86898965