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23082085 = 513355109
BaseRepresentation
bin101100000001…
…1010001100101
31121102200200001
41120003101211
521402111320
62142421301
7400123465
oct130032145
947380601
1023082085
1112035a04
127891831
134a22250
1430cbba5
15205e20a
hex1603465

23082085 has 8 divisors (see below), whose sum is σ = 29829240. Its totient is φ = 17045184.

The previous prime is 23082079. The next prime is 23082091. The reversal of 23082085 is 58028032.

It is an interprime number because it is at equal distance from previous prime (23082079) and next prime (23082091).

It can be written as a sum of positive squares in 4 ways, for example, as 1682209 + 21399876 = 1297^2 + 4626^2 .

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

It is not a de Polignac number, because 23082085 - 23 = 23082077 is a prime.

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, 177490 + ... + 177619.

It is an arithmetic number, because the mean of its divisors is an integer number (3728655).

Almost surely, 223082085 is an apocalyptic number.

It is an amenable number.

23082085 is a deficient number, since it is larger than the sum of its proper divisors (6747155).

23082085 is a wasteful number, since it uses less digits than its factorization.

23082085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355127.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 23082085 is about 4804.3818540994. The cubic root of 23082085 is about 284.7246134384.

The spelling of 23082085 in words is "twenty-three million, eighty-two thousand, eighty-five".

Divisors: 1 5 13 65 355109 1775545 4616417 23082085