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230684154 = 23291325771
BaseRepresentation
bin11011011111111…
…11010111111010
3121002001222011120
431233333113322
5433023343104
634520210110
75500532361
oct1557772772
9532058146
10230684154
11109240468
1265309936
1338a3b7cc
14228cc7d8
15153bacd9
hexdbff5fa

230684154 has 16 divisors (see below), whose sum is σ = 477277920. Its totient is φ = 74243120.

The previous prime is 230684137. The next prime is 230684171. The reversal of 230684154 is 451486032.

230684154 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (230684137) and next prime (230684171).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662712 + ... + 663059.

It is an arithmetic number, because the mean of its divisors is an integer number (29829870).

Almost surely, 2230684154 is an apocalyptic number.

230684154 is an abundant number, since it is smaller than the sum of its proper divisors (246593766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230684154 is a wasteful number, since it uses less digits than its factorization.

230684154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325805.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 230684154 is about 15188.2900288347. The cubic root of 230684154 is about 613.2994677137.

The spelling of 230684154 in words is "two hundred thirty million, six hundred eighty-four thousand, one hundred fifty-four".

Divisors: 1 2 3 6 29 58 87 174 1325771 2651542 3977313 7954626 38447359 76894718 115342077 230684154