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258680953 = 19107127241
BaseRepresentation
bin11110110101100…
…10100001111001
3200000202100120001
433122302201321
51012210242303
641400233001
76260515606
oct1732624171
9600670501
10258680953
11123022913
127276b761
1341791a6b
14264d96ad
1517a9b31d
hexf6b2879

258680953 has 8 divisors (see below), whose sum is σ = 274842720. Its totient is φ = 242773920.

The previous prime is 258680951. The next prime is 258680971. The reversal of 258680953 is 359086852.

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

It is a cyclic number.

It is not a de Polignac number, because 258680953 - 21 = 258680951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258680951) 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, 61588 + ... + 65653.

It is an arithmetic number, because the mean of its divisors is an integer number (34355340).

Almost surely, 2258680953 is an apocalyptic number.

It is an amenable number.

258680953 is a deficient number, since it is larger than the sum of its proper divisors (16161767).

258680953 is a wasteful number, since it uses less digits than its factorization.

258680953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127367.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 258680953 is about 16083.5615769642. The cubic root of 258680953 is about 637.1692631727.

The spelling of 258680953 in words is "two hundred fifty-eight million, six hundred eighty thousand, nine hundred fifty-three".

Divisors: 1 19 107 2033 127241 2417579 13614787 258680953