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86520841 = 1173107747
BaseRepresentation
bin1010010100000…
…11010000001001
320000210201021121
411022003100021
5134122131331
612330235241
72100262231
oct512032011
9200721247
1086520841
1144925430
1224b85b21
1314c04484
14b6c2cc1
1578e0c11
hex5283409

86520841 has 8 divisors (see below), whose sum is σ = 95680224. Its totient is φ = 77577120.

The previous prime is 86520839. The next prime is 86520877. The reversal of 86520841 is 14802568.

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 86520841 - 21 = 86520839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86520797 and 86520806.

It is not an unprimeable number, because it can be changed into a prime (86520881) 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, 53071 + ... + 54676.

It is an arithmetic number, because the mean of its divisors is an integer number (11960028).

Almost surely, 286520841 is an apocalyptic number.

It is an amenable number.

86520841 is a deficient number, since it is larger than the sum of its proper divisors (9159383).

86520841 is a wasteful number, since it uses less digits than its factorization.

86520841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107831.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 86520841 is about 9301.6579704911. The cubic root of 86520841 is about 442.2897866258.

The spelling of 86520841 in words is "eighty-six million, five hundred twenty thousand, eight hundred forty-one".

Divisors: 1 11 73 803 107747 1185217 7865531 86520841