Search a number
-
+
153111252 = 22372936221
BaseRepresentation
bin10010010000001…
…00101011010100
3101200002212011010
421020010223110
5303144030002
623105412220
73536265330
oct1110045324
9350085133
10153111252
1179477828
124333a070
132594b098
14164987c0
15d69646c
hex9204ad4

153111252 has 48 divisors (see below), whose sum is σ = 409756032. Its totient is φ = 43589760.

The previous prime is 153111247. The next prime is 153111269. The reversal of 153111252 is 252111351.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21502 + ... + 27722.

It is an arithmetic number, because the mean of its divisors is an integer number (8536584).

Almost surely, 2153111252 is an apocalyptic number.

153111252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

153111252 is an abundant number, since it is smaller than the sum of its proper divisors (256644780).

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

153111252 is a wasteful number, since it uses less digits than its factorization.

153111252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6528 (or 6526 counting only the distinct ones).

The product of its digits is 300, while the sum is 21.

The square root of 153111252 is about 12373.8131552081. The cubic root of 153111252 is about 534.9777287145.

Subtracting 153111252 from its reverse (252111351), we obtain a palindrome (99000099).

The spelling of 153111252 in words is "one hundred fifty-three million, one hundred eleven thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 293 586 879 1172 1758 2051 3516 4102 6153 6221 8204 12306 12442 18663 24612 24884 37326 43547 74652 87094 130641 174188 261282 522564 1822753 3645506 5468259 7291012 10936518 12759271 21873036 25518542 38277813 51037084 76555626 153111252