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230152434 = 23194121201
BaseRepresentation
bin11011011011111…
…01100011110010
3121001001221210020
431231331203302
5432404334214
634500544310
75463156231
oct1555754362
9531057706
10230152434
11108a07a26
12650b2096
13388b3795
14227d0b18
15153134a9
hexdb7d8f2

230152434 has 48 divisors (see below), whose sum is σ = 497051040. Its totient is φ = 70848000.

The previous prime is 230152427. The next prime is 230152457. The reversal of 230152434 is 434251032.

It is a super-2 number, since 2×2301524342 = 105940285752248712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191034 + ... + 192234.

It is an arithmetic number, because the mean of its divisors is an integer number (10355230).

Almost surely, 2230152434 is an apocalyptic number.

230152434 is an abundant number, since it is smaller than the sum of its proper divisors (266898606).

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

230152434 is a wasteful number, since it uses less digits than its factorization.

230152434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 230152434 is about 15170.7756558457. The cubic root of 230152434 is about 612.8278929630.

The spelling of 230152434 in words is "two hundred thirty million, one hundred fifty-two thousand, four hundred thirty-four".