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258116793 = 3117821721
BaseRepresentation
bin11110110001010…
…00110010111001
3122222200200200020
433120220302321
51012034214133
641340201053
76252646044
oct1730506271
9588620606
10258116793
11122777a70
1272539189
134162503c
14263cdc5b
15179d90b3
hexf628cb9

258116793 has 8 divisors (see below), whose sum is σ = 375442656. Its totient is φ = 156434400.

The previous prime is 258116783. The next prime is 258116801. The reversal of 258116793 is 397611852.

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

It is a de Polignac number, because none of the positive numbers 2k-258116793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (258116753) 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, 3910828 + ... + 3910893.

It is an arithmetic number, because the mean of its divisors is an integer number (46930332).

Almost surely, 2258116793 is an apocalyptic number.

It is an amenable number.

258116793 is a deficient number, since it is larger than the sum of its proper divisors (117325863).

258116793 is a wasteful number, since it uses less digits than its factorization.

258116793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7821735.

The product of its digits is 90720, while the sum is 42.

The square root of 258116793 is about 16066.0136001436. The cubic root of 258116793 is about 636.7057229892.

The spelling of 258116793 in words is "two hundred fifty-eight million, one hundred sixteen thousand, seven hundred ninety-three".

Divisors: 1 3 11 33 7821721 23465163 86038931 258116793