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258066357 = 3401214519
BaseRepresentation
bin11110110000111…
…00011110110101
3122222121010111020
433120130132311
51012031110412
641335131353
76252346023
oct1730343665
9588533436
10258066357
1112274308a
1272513b59
13416080b3
14263b9713
15179c918c
hexf61c7b5

258066357 has 8 divisors (see below), whose sum is σ = 344948160. Its totient is φ = 171614400.

The previous prime is 258066343. The next prime is 258066359. The reversal of 258066357 is 753660852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 258066357 - 211 = 258064309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258066359) 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, 106057 + ... + 108462.

It is an arithmetic number, because the mean of its divisors is an integer number (43118520).

Almost surely, 2258066357 is an apocalyptic number.

It is an amenable number.

258066357 is a deficient number, since it is larger than the sum of its proper divisors (86881803).

258066357 is a wasteful number, since it uses less digits than its factorization.

258066357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214923.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 258066357 is about 16064.4438745946. The cubic root of 258066357 is about 636.6642495393.

The spelling of 258066357 in words is "two hundred fifty-eight million, sixty-six thousand, three hundred fifty-seven".

Divisors: 1 3 401 1203 214519 643557 86022119 258066357