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258264263 = 2311228881
BaseRepresentation
bin11110110010011…
…00110011000111
3122222222011222002
433121030303013
51012103424023
641343255515
76254132015
oct1731146307
9588864862
10258264263
11122868844
12725aa59b
13416771ba
142642b8b5
1517a17b28
hexf64ccc7

258264263 has 4 divisors (see below), whose sum is σ = 269493168. Its totient is φ = 247035360.

The previous prime is 258264257. The next prime is 258264287. The reversal of 258264263 is 362462852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 258264263 - 24 = 258264247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258264463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5614418 + ... + 5614463.

It is an arithmetic number, because the mean of its divisors is an integer number (67373292).

Almost surely, 2258264263 is an apocalyptic number.

258264263 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

258264263 is a deficient number, since it is larger than the sum of its proper divisors (11228905).

258264263 is a wasteful number, since it uses less digits than its factorization.

258264263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11228904.

The product of its digits is 138240, while the sum is 38.

The square root of 258264263 is about 16070.6024467037. The cubic root of 258264263 is about 636.8269563734.

The spelling of 258264263 in words is "two hundred fifty-eight million, two hundred sixty-four thousand, two hundred sixty-three".

Divisors: 1 23 11228881 258264263