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230152554 = 23212786253
BaseRepresentation
bin11011011011111…
…01100101101010
3121001001221221200
431231331211222
5432404340204
634500545030
75463156462
oct1555754552
9531057850
10230152554
11108a08025
12650b2176
13388b3858
14227d0ba2
1515313539
hexdb7d96a

230152554 has 12 divisors (see below), whose sum is σ = 498663906. Its totient is φ = 76717512.

The previous prime is 230152547. The next prime is 230152583. The reversal of 230152554 is 455251032.

It is a happy number.

230152554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 159138225 + 71014329 = 12615^2 + 8427^2 .

It is a super-2 number, since 2×2301525542 = 105940396225445832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6393109 + ... + 6393144.

Almost surely, 2230152554 is an apocalyptic number.

230152554 is an abundant number, since it is smaller than the sum of its proper divisors (268511352).

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

230152554 is a wasteful number, since it uses less digits than its factorization.

230152554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12786261 (or 12786258 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 230152554 is about 15170.7796108176. The cubic root of 230152554 is about 612.8279994711.

The spelling of 230152554 in words is "two hundred thirty million, one hundred fifty-two thousand, five hundred fifty-four".

Divisors: 1 2 3 6 9 18 12786253 25572506 38358759 76717518 115076277 230152554