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86929853 = 448319391
BaseRepresentation
bin1010010111001…
…11000110111101
320001120111100012
411023213012331
5134223223403
612343113005
72103614543
oct513470675
9201514305
1086929853
114508475a
1225142765
13150186aa
14b78bd93
157971ed8
hex52e71bd

86929853 has 4 divisors (see below), whose sum is σ = 86953728. Its totient is φ = 86905980.

The previous prime is 86929847. The next prime is 86929861. The reversal of 86929853 is 35892968.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86929853 - 212 = 86925757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86929253) 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, 5213 + ... + 14178.

It is an arithmetic number, because the mean of its divisors is an integer number (21738432).

Almost surely, 286929853 is an apocalyptic number.

It is an amenable number.

86929853 is a deficient number, since it is larger than the sum of its proper divisors (23875).

86929853 is a wasteful number, since it uses less digits than its factorization.

86929853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23874.

The product of its digits is 933120, while the sum is 50.

The square root of 86929853 is about 9323.6180209187. The cubic root of 86929853 is about 442.9856402257.

The spelling of 86929853 in words is "eighty-six million, nine hundred twenty-nine thousand, eight hundred fifty-three".

Divisors: 1 4483 19391 86929853