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230275969 = 7119773061
BaseRepresentation
bin11011011100110…
…11101110000001
3121001022020020121
431232123232001
5432422312334
634503340241
75464212340
oct1556335601
9531266217
10230275969
11108a91820
1265151681
1338927a91
1422823b57
1515339db4
hexdb9bb81

230275969 has 16 divisors (see below), whose sum is σ = 287485056. Its totient is φ = 179193600.

The previous prime is 230275951. The next prime is 230275987. The reversal of 230275969 is 969572032.

It is an interprime number because it is at equal distance from previous prime (230275951) and next prime (230275987).

It is a cyclic number.

It is not a de Polignac number, because 230275969 - 213 = 230267777 is a prime.

It is a super-2 number, since 2×2302759692 = 106054043797777922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230275909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73699 + ... + 76759.

It is an arithmetic number, because the mean of its divisors is an integer number (17967816).

Almost surely, 2230275969 is an apocalyptic number.

It is an amenable number.

230275969 is a deficient number, since it is larger than the sum of its proper divisors (57209087).

230275969 is a wasteful number, since it uses less digits than its factorization.

230275969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 230275969 is about 15174.8465890104. The cubic root of 230275969 is about 612.9375190796.

The spelling of 230275969 in words is "two hundred thirty million, two hundred seventy-five thousand, nine hundred sixty-nine".

Divisors: 1 7 11 77 977 3061 6839 10747 21427 33671 75229 235697 2990597 20934179 32896567 230275969