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86930901 = 341073221
BaseRepresentation
bin1010010111001…
…11010111010101
320001120112210000
411023213113111
5134223242101
612343121513
72103620601
oct513472725
9201515700
1086930901
1145085522
1225143299
1315019005
14b78c501
157972486
hex52e75d5

86930901 has 10 divisors (see below), whose sum is σ = 129859862. Its totient is φ = 57953880.

The previous prime is 86930897. The next prime is 86930903. The reversal of 86930901 is 10903968.

It can be written as a sum of positive squares in only one way, i.e., 85932900 + 998001 = 9270^2 + 999^2 .

It is not a de Polignac number, because 86930901 - 22 = 86930897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86930903) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 536530 + ... + 536691.

Almost surely, 286930901 is an apocalyptic number.

86930901 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

86930901 is a deficient number, since it is larger than the sum of its proper divisors (42928961).

86930901 is a wasteful number, since it uses less digits than its factorization.

86930901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073233 (or 1073224 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 86930901 is about 9323.6742221079. The cubic root of 86930901 is about 442.9874203855.

The spelling of 86930901 in words is "eighty-six million, nine hundred thirty thousand, nine hundred one".

Divisors: 1 3 9 27 81 1073221 3219663 9658989 28976967 86930901