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153024231 = 31072931627
BaseRepresentation
bin10010001111011…
…11011011100111
3101122221102210010
421013233123213
5303133233411
623103501303
73535453533
oct1107573347
9348842703
10153024231
1179418408
12432b7833
132591a5a9
1416474bc3
15d67a7a6
hex91ef6e7

153024231 has 16 divisors (see below), whose sum is σ = 206769024. Its totient is φ = 100655904.

The previous prime is 153024227. The next prime is 153024251. The reversal of 153024231 is 132420351.

It is not a de Polignac number, because 153024231 - 22 = 153024227 is a prime.

It is a super-2 number, since 2×1530242312 = 46832830546282722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 153024198 and 153024207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153024251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93240 + ... + 94866.

It is an arithmetic number, because the mean of its divisors is an integer number (12923064).

Almost surely, 2153024231 is an apocalyptic number.

153024231 is a deficient number, since it is larger than the sum of its proper divisors (53744793).

153024231 is a wasteful number, since it uses less digits than its factorization.

153024231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 153024231 is about 12370.2963181971. The cubic root of 153024231 is about 534.8763577204.

Adding to 153024231 its reverse (132420351), we get a palindrome (285444582).

The spelling of 153024231 in words is "one hundred fifty-three million, twenty-four thousand, two hundred thirty-one".

Divisors: 1 3 107 293 321 879 1627 4881 31351 94053 174089 476711 522267 1430133 51008077 153024231