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86944937 = 59224977
BaseRepresentation
bin1010010111010…
…10110010101001
320001121021000212
411023222302221
5134224214222
612343310505
72104006532
oct513526251
9201537025
1086944937
1145095022
122514b435
1315022511
14b793689
1579766e2
hex52eaca9

86944937 has 6 divisors (see below), whose sum is σ = 88447098. Its totient is φ = 85467872.

The previous prime is 86944933. The next prime is 86944939. The reversal of 86944937 is 73944968.

It can be written as a sum of positive squares in only one way, i.e., 49294441 + 37650496 = 7021^2 + 6136^2 .

It is not a de Polignac number, because 86944937 - 22 = 86944933 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86944933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9008 + ... + 15969.

It is an arithmetic number, because the mean of its divisors is an integer number (14741183).

Almost surely, 286944937 is an apocalyptic number.

It is an amenable number.

86944937 is a deficient number, since it is larger than the sum of its proper divisors (1502161).

86944937 is an equidigital number, since it uses as much as digits as its factorization.

86944937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25095 (or 25036 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 86944937 is about 9324.4268992791. The cubic root of 86944937 is about 443.0112609176.

It can be divided in two parts, 8694 and 4937, that added together give a palindrome (13631).

The spelling of 86944937 in words is "eighty-six million, nine hundred forty-four thousand, nine hundred thirty-seven".

Divisors: 1 59 3481 24977 1473643 86944937