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230088871 = 297934099
BaseRepresentation
bin11011011011011…
…10000010100111
3121000221201121001
431231232002213
5432400320441
634455334131
75462503015
oct1555560247
9530851531
10230088871
111089741a1
1265081347
133889087c
14227b58b5
15152ee731
hexdb6e0a7

230088871 has 4 divisors (see below), whose sum is σ = 238023000. Its totient is φ = 222154744.

The previous prime is 230088827. The next prime is 230088899. The reversal of 230088871 is 178880032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230088871 - 217 = 229957799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230088871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230088671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3967021 + ... + 3967078.

It is an arithmetic number, because the mean of its divisors is an integer number (59505750).

Almost surely, 2230088871 is an apocalyptic number.

230088871 is a deficient number, since it is larger than the sum of its proper divisors (7934129).

230088871 is an equidigital number, since it uses as much as digits as its factorization.

230088871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7934128.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 230088871 is about 15168.6805952265. The cubic root of 230088871 is about 612.7714712758.

The spelling of 230088871 in words is "two hundred thirty million, eighty-eight thousand, eight hundred seventy-one".

Divisors: 1 29 7934099 230088871