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230170775 = 5223400297
BaseRepresentation
bin11011011100000…
…10000010010111
3121001002212221112
431232002002113
5432410431100
634501205235
75463263552
oct1556020227
9531085845
10230170775
11108a1a78a
126510081b
13388bbc33
14227d7699
1515318b35
hexdb82097

230170775 has 12 divisors (see below), whose sum is σ = 297821712. Its totient is φ = 176130240.

The previous prime is 230170697. The next prime is 230170793. The reversal of 230170775 is 577071032.

It is not a de Polignac number, because 230170775 - 28 = 230170519 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199574 + ... + 200723.

It is an arithmetic number, because the mean of its divisors is an integer number (24818476).

Almost surely, 2230170775 is an apocalyptic number.

230170775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

230170775 is a deficient number, since it is larger than the sum of its proper divisors (67650937).

230170775 is a wasteful number, since it uses less digits than its factorization.

230170775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400330 (or 400325 counting only the distinct ones).

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 230170775 is about 15171.3801283865. The cubic root of 230170775 is about 612.8441714175.

The spelling of 230170775 in words is "two hundred thirty million, one hundred seventy thousand, seven hundred seventy-five".

Divisors: 1 5 23 25 115 575 400297 2001485 9206831 10007425 46034155 230170775