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258030852 = 22321502571
BaseRepresentation
bin11110110000100…
…11110100000100
3122222112022210020
433120103310010
51012023441402
641334255140
76252140352
oct1730236404
9588468706
10258030852
11122719442
12724b74b0
13415c4ba1
14263aa7d2
15179bd8bc
hexf613d04

258030852 has 12 divisors (see below), whose sum is σ = 602072016. Its totient is φ = 86010280.

The previous prime is 258030841. The next prime is 258030863.

258030852 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (258030841) and next prime (258030863).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10751274 + ... + 10751297.

It is an arithmetic number, because the mean of its divisors is an integer number (50172668).

Almost surely, 2258030852 is an apocalyptic number.

It is an amenable number.

258030852 is an abundant number, since it is smaller than the sum of its proper divisors (344041164).

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

258030852 is a wasteful number, since it uses less digits than its factorization.

258030852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21502578 (or 21502576 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 258030852 is about 16063.3387563109. The cubic root of 258030852 is about 636.6350505881.

The spelling of 258030852 in words is "two hundred fifty-eight million, thirty thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 21502571 43005142 64507713 86010284 129015426 258030852