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235031238 = 232137313759
BaseRepresentation
bin11100000001001…
…00101011000110
3121101020211020200
432000210223012
5440131444423
635153311330
75552506161
oct1600445306
9541224220
10235031238
1111073a4a2
1266865546
1339901350
1423300ad8
1515978d43
hexe024ac6

235031238 has 48 divisors (see below), whose sum is σ = 555959040. Its totient is φ = 71321472.

The previous prime is 235031233. The next prime is 235031257. The reversal of 235031238 is 832130532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235031233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10203 + ... + 23961.

It is an arithmetic number, because the mean of its divisors is an integer number (11582480).

Almost surely, 2235031238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235031238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277979520).

235031238 is an abundant number, since it is smaller than the sum of its proper divisors (320927802).

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

235031238 is a wasteful number, since it uses less digits than its factorization.

235031238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13853 (or 13850 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 235031238 is about 15330.7285541164. The cubic root of 235031238 is about 617.1279213114.

The spelling of 235031238 in words is "two hundred thirty-five million, thirty-one thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 13 18 26 39 73 78 117 146 219 234 438 657 949 1314 1898 2847 5694 8541 13759 17082 27518 41277 82554 123831 178867 247662 357734 536601 1004407 1073202 1609803 2008814 3013221 3219606 6026442 9039663 13057291 18079326 26114582 39171873 78343746 117515619 235031238