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258140082 = 23289714851
BaseRepresentation
bin11110110001011…
…10011110110010
3122222201212121210
433120232132302
51012040440312
641340500550
76253103664
oct1730563662
9588655553
10258140082
11122793512
127254a756
1341632815
14263d8534
15179e0e3c
hexf62e7b2

258140082 has 16 divisors (see below), whose sum is σ = 516493152. Its totient is φ = 86011200.

The previous prime is 258140081. The next prime is 258140111. The reversal of 258140082 is 280041852.

It is not an unprimeable number, because it can be changed into a prime (258140081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9957 + ... + 24807.

It is an arithmetic number, because the mean of its divisors is an integer number (32280822).

Almost surely, 2258140082 is an apocalyptic number.

258140082 is an abundant number, since it is smaller than the sum of its proper divisors (258353070).

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

258140082 is a wasteful number, since it uses less digits than its factorization.

258140082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17753.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 258140082 is about 16066.7383746671. The cubic root of 258140082 is about 636.7248716770.

The spelling of 258140082 in words is "two hundred fifty-eight million, one hundred forty thousand, eighty-two".

Divisors: 1 2 3 6 2897 5794 8691 14851 17382 29702 44553 89106 43023347 86046694 129070041 258140082