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230154099 = 3712786297
BaseRepresentation
bin11011011011111…
…01111101110011
3121001002001001220
431231331331303
5432404412344
634501000123
75463164130
oct1555757563
9531061056
10230154099
11108a091aa
12650b3043
13388b4476
14227d1587
1515313c19
hexdb7df73

230154099 has 16 divisors (see below), whose sum is σ = 353476608. Its totient is φ = 130479552.

The previous prime is 230154073. The next prime is 230154101. The reversal of 230154099 is 990451032.

It is not a de Polignac number, because 230154099 - 211 = 230152051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230154599) 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, 40482 + ... + 45815.

It is an arithmetic number, because the mean of its divisors is an integer number (22092288).

Almost surely, 2230154099 is an apocalyptic number.

230154099 is a deficient number, since it is larger than the sum of its proper divisors (123322509).

230154099 is a wasteful number, since it uses less digits than its factorization.

230154099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86434.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 230154099 is about 15170.8305309894. The cubic root of 230154099 is about 612.8293707603.

The spelling of 230154099 in words is "two hundred thirty million, one hundred fifty-four thousand, ninety-nine".

Divisors: 1 3 7 21 127 381 889 2667 86297 258891 604079 1812237 10959719 32879157 76718033 230154099