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230979061 is a prime number
BaseRepresentation
bin11011100010001…
…11010111110101
3121002121221201001
431301013113311
5433112312221
634530403301
75503201225
oct1561072765
9532557631
10230979061
11109421a95
1265430531
1338b12b01
1422968085
1515428391
hexdc475f5

230979061 has 2 divisors, whose sum is σ = 230979062. Its totient is φ = 230979060.

The previous prime is 230979053. The next prime is 230979071. The reversal of 230979061 is 160979032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144600625 + 86378436 = 12025^2 + 9294^2 .

It is a cyclic number.

It is not a de Polignac number, because 230979061 - 23 = 230979053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230979061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230979031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115489530 + 115489531.

It is an arithmetic number, because the mean of its divisors is an integer number (115489531).

Almost surely, 2230979061 is an apocalyptic number.

It is an amenable number.

230979061 is a deficient number, since it is larger than the sum of its proper divisors (1).

230979061 is an equidigital number, since it uses as much as digits as its factorization.

230979061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 230979061 is about 15197.9952954329. The cubic root of 230979061 is about 613.5607041047.

The spelling of 230979061 in words is "two hundred thirty million, nine hundred seventy-nine thousand, sixty-one".