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230168871 = 35947197
BaseRepresentation
bin11011011100000…
…01100100100111
3121001002210100000
431232001210213
5432410400441
634501152343
75463255162
oct1556014447
9531083300
10230168871
11108a19309
12650bb6b3
13388bb0ca
14227d6ad9
15153182b6
hexdb81927

230168871 has 12 divisors (see below), whose sum is σ = 344780072. Its totient is φ = 153445752.

The previous prime is 230168857. The next prime is 230168879. The reversal of 230168871 is 178861032.

230168871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230168871 - 25 = 230168839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230168879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473356 + ... + 473841.

Almost surely, 2230168871 is an apocalyptic number.

230168871 is a deficient number, since it is larger than the sum of its proper divisors (114611201).

230168871 is an frugal number, since it uses more digits than its factorization.

230168871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947212 (or 947200 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 230168871 is about 15171.3173785272. The cubic root of 230168871 is about 612.8424815729.

The spelling of 230168871 in words is "two hundred thirty million, one hundred sixty-eight thousand, eight hundred seventy-one".

Divisors: 1 3 9 27 81 243 947197 2841591 8524773 25574319 76722957 230168871