Search a number
-
+
252398124 = 223211637369
BaseRepresentation
bin11110000101101…
…00101000101100
3122120221011010200
433002310220230
51004103214444
641013433500
76153230406
oct1702645054
9576834120
10252398124
1111a5214a0
127063b890
13403a2104
1425741b76
1517259969
hexf0b4a2c

252398124 has 36 divisors (see below), whose sum is σ = 696008040. Its totient is φ = 76484160.

The previous prime is 252398117. The next prime is 252398129. The reversal of 252398124 is 421893252.

It is a happy number.

252398124 is a `hidden beast` number, since 2 + 523 + 9 + 8 + 124 = 666.

252398124 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

252398124 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (252398129) 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 11 ways as a sum of consecutive naturals, for example, 318289 + ... + 319080.

Almost surely, 2252398124 is an apocalyptic number.

It is an amenable number.

252398124 is an abundant number, since it is smaller than the sum of its proper divisors (443609916).

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

252398124 is a wasteful number, since it uses less digits than its factorization.

252398124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637390 (or 637385 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 252398124 is about 15887.0426448726. The cubic root of 252398124 is about 631.9684162767.

The spelling of 252398124 in words is "two hundred fifty-two million, three hundred ninety-eight thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 637369 1274738 1912107 2549476 3824214 5736321 7011059 7648428 11472642 14022118 21033177 22945284 28044236 42066354 63099531 84132708 126199062 252398124