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22958238 = 233826373
BaseRepresentation
bin101011110010…
…1000010011110
31121012101210010
41113211002132
521334130423
62140024050
7366066432
oct127450236
947171703
1022958238
1111a60956
127832026
1349aaa74
1430989c2
152037693
hex15e509e

22958238 has 8 divisors (see below), whose sum is σ = 45916488. Its totient is φ = 7652744.

The previous prime is 22958233. The next prime is 22958239. The reversal of 22958238 is 83285922.

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

22958238 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22958196 and 22958205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22958233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1913181 + ... + 1913192.

It is an arithmetic number, because the mean of its divisors is an integer number (5739561).

Almost surely, 222958238 is an apocalyptic number.

22958238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22958238 is a wasteful number, since it uses less digits than its factorization.

22958238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826378.

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

The square root of 22958238 is about 4791.4755556091. The cubic root of 22958238 is about 284.2144696839.

The spelling of 22958238 in words is "twenty-two million, nine hundred fifty-eight thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 3826373 7652746 11479119 22958238