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258308 = 2264577
BaseRepresentation
bin111111000100000100
3111010022222
4333010010
531231213
65311512
72124041
oct770404
9433288
10258308
11167086
12105598
139075b
146a1c8
1551808
hex3f104

258308 has 6 divisors (see below), whose sum is σ = 452046. Its totient is φ = 129152.

The previous prime is 258299. The next prime is 258317. The reversal of 258308 is 803852.

It is an interprime number because it is at equal distance from previous prime (258299) and next prime (258317).

It can be written as a sum of positive squares in only one way, i.e., 238144 + 20164 = 488^2 + 142^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 258308.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32285 + ... + 32292.

It is an arithmetic number, because the mean of its divisors is an integer number (75341).

2258308 is an apocalyptic number.

It is an amenable number.

258308 is a deficient number, since it is larger than the sum of its proper divisors (193738).

258308 is a wasteful number, since it uses less digits than its factorization.

258308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64581 (or 64579 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 258308 is about 508.2401007398. The cubic root of 258308 is about 63.6862903182.

The spelling of 258308 in words is "two hundred fifty-eight thousand, three hundred eight".

Divisors: 1 2 4 64577 129154 258308