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258052156 = 22211305749
BaseRepresentation
bin11110110000110…
…01000000111100
3122222120102000021
433120121000330
51012030132111
641334541524
76252256435
oct1730310074
9588512007
10258052156
1112273344a
12725078a4
13416017ab
14263b448c
15179c4d71
hexf61903c

258052156 has 12 divisors (see below), whose sum is σ = 453733000. Its totient is φ = 128414160.

The previous prime is 258052141. The next prime is 258052169. The reversal of 258052156 is 651250852.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 152031 + ... + 153718.

Almost surely, 2258052156 is an apocalyptic number.

It is an amenable number.

258052156 is a deficient number, since it is larger than the sum of its proper divisors (195680844).

258052156 is a wasteful number, since it uses less digits than its factorization.

258052156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305964 (or 305962 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 258052156 is about 16064.0018675298. The cubic root of 258052156 is about 636.6525711026.

The spelling of 258052156 in words is "two hundred fifty-eight million, fifty-two thousand, one hundred fifty-six".

Divisors: 1 2 4 211 422 844 305749 611498 1222996 64513039 129026078 258052156