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258022938 = 23118736229
BaseRepresentation
bin11110110000100…
…01111000011010
3122222111220221010
433120101320122
51012023213223
641334154350
76252105315
oct1730217032
9588456833
10258022938
111227134a8
12724b29b6
13415c13c4
14263a797c
15179bb393
hexf611e1a

258022938 has 16 divisors (see below), whose sum is σ = 516494880. Its totient is φ = 85932816.

The previous prime is 258022937. The next prime is 258022939. The reversal of 258022938 is 839220852.

258022938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (258022937) and next prime (258022939).

It is a junction number, because it is equal to n+sod(n) for n = 258022896 and 258022905.

It is not an unprimeable number, because it can be changed into a prime (258022937) 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, 10993 + ... + 25236.

It is an arithmetic number, because the mean of its divisors is an integer number (32280930).

Almost surely, 2258022938 is an apocalyptic number.

258022938 is an abundant number, since it is smaller than the sum of its proper divisors (258471942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258022938 is a wasteful number, since it uses less digits than its factorization.

258022938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37421.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 258022938 is about 16063.0924170908. The cubic root of 258022938 is about 636.6285418298.

The spelling of 258022938 in words is "two hundred fifty-eight million, twenty-two thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 1187 2374 3561 7122 36229 72458 108687 217374 43003823 86007646 129011469 258022938