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258309201 = 386103067
BaseRepresentation
bin11110110010101…
…11110001010001
3200000001110121110
433121113301101
51012111343301
641344243533
76254410023
oct1731276121
9600043543
10258309201
11122899587
12726105a9
13416917a7
1426440013
1517a260d6
hexf657c51

258309201 has 4 divisors (see below), whose sum is σ = 344412272. Its totient is φ = 172206132.

The previous prime is 258309193. The next prime is 258309211. The reversal of 258309201 is 102903852.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 258309201 - 23 = 258309193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258309211) 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, 43051531 + ... + 43051536.

It is an arithmetic number, because the mean of its divisors is an integer number (86103068).

Almost surely, 2258309201 is an apocalyptic number.

It is an amenable number.

258309201 is a deficient number, since it is larger than the sum of its proper divisors (86103071).

258309201 is an equidigital number, since it uses as much as digits as its factorization.

258309201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86103070.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 258309201 is about 16072.0005288701. Note that the first 3 decimals coincide. The cubic root of 258309201 is about 636.8638902098.

The spelling of 258309201 in words is "two hundred fifty-eight million, three hundred nine thousand, two hundred one".

Divisors: 1 3 86103067 258309201