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230626109 = 732946587
BaseRepresentation
bin11011011111100…
…01001100111101
3121001222000112202
431233301030331
5433020013414
634515041245
75500201220
oct1557611475
9531860482
10230626109
1110920089a
12652a0225
1338a1b26c
14228b55b7
15153a89de
hexdbf133d

230626109 has 4 divisors (see below), whose sum is σ = 263572704. Its totient is φ = 197679516.

The previous prime is 230626091. The next prime is 230626111. The reversal of 230626109 is 901626032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230626109 - 220 = 229577533 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 (230626139) 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, 16473287 + ... + 16473300.

It is an arithmetic number, because the mean of its divisors is an integer number (65893176).

Almost surely, 2230626109 is an apocalyptic number.

It is an amenable number.

230626109 is a deficient number, since it is larger than the sum of its proper divisors (32946595).

230626109 is an equidigital number, since it uses as much as digits as its factorization.

230626109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32946594.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 230626109 is about 15186.3790615143. The cubic root of 230626109 is about 613.2480237036.

The spelling of 230626109 in words is "two hundred thirty million, six hundred twenty-six thousand, one hundred nine".

Divisors: 1 7 32946587 230626109