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153021125 = 531224169
BaseRepresentation
bin10010001111011…
…10101011000101
3101122221021112002
421013232223011
5303133134000
623103435045
73535441505
oct1107565305
9348837462
10153021125
1179416044
12432b5a85
132591905a
1416473a05
15d6798d5
hex91eeac5

153021125 has 8 divisors (see below), whose sum is σ = 190970520. Its totient is φ = 122416800.

The previous prime is 153021109. The next prime is 153021137. The reversal of 153021125 is 521120351.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12432676 + 140588449 = 3526^2 + 11857^2 .

It is not a de Polignac number, because 153021125 - 24 = 153021109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 153021097 and 153021106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611960 + ... + 612209.

It is an arithmetic number, because the mean of its divisors is an integer number (23871315).

Almost surely, 2153021125 is an apocalyptic number.

It is an amenable number.

153021125 is a deficient number, since it is larger than the sum of its proper divisors (37949395).

153021125 is an equidigital number, since it uses as much as digits as its factorization.

153021125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224184 (or 1224174 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 153021125 is about 12370.1707748923. The cubic root of 153021125 is about 534.8727388225.

Adding to 153021125 its reverse (521120351), we get a palindrome (674141476).

The spelling of 153021125 in words is "one hundred fifty-three million, twenty-one thousand, one hundred twenty-five".

Divisors: 1 5 25 125 1224169 6120845 30604225 153021125