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258138314 = 2763129221
BaseRepresentation
bin11110110001011…
…10000011001010
3122222201210012022
433120232003022
51012040411224
641340444442
76253065560
oct1730560312
9588653168
10258138314
11122792155
1272549722
1341631a85
14263d7a30
15179e065e
hexf62e0ca

258138314 has 16 divisors (see below), whose sum is σ = 443239296. Its totient is φ = 110451600.

The previous prime is 258138311. The next prime is 258138323. The reversal of 258138314 is 413831852.

It is a happy number.

258138314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (258138311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5777 + ... + 23444.

It is an arithmetic number, because the mean of its divisors is an integer number (27702456).

Almost surely, 2258138314 is an apocalyptic number.

258138314 is a deficient number, since it is larger than the sum of its proper divisors (185100982).

258138314 is a wasteful number, since it uses less digits than its factorization.

258138314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29861.

The product of its digits is 23040, while the sum is 35.

The square root of 258138314 is about 16066.6833540716. The cubic root of 258138314 is about 636.7234180320.

The spelling of 258138314 in words is "two hundred fifty-eight million, one hundred thirty-eight thousand, three hundred fourteen".

Divisors: 1 2 7 14 631 1262 4417 8834 29221 58442 204547 409094 18438451 36876902 129069157 258138314