Search a number
-
+
156225125 = 537199397
BaseRepresentation
bin10010100111111…
…00111001100101
3101212222001120202
421103330321211
5304443201000
623300240245
73604614560
oct1123747145
9355861522
10156225125
1180204281
12443a0085
132649b504
1416a694d7
15daaddd5
hex94fce65

156225125 has 32 divisors (see below), whose sum is σ = 234574080. Its totient is φ = 101476800.

The previous prime is 156225109. The next prime is 156225127. The reversal of 156225125 is 521522651.

It is not a de Polignac number, because 156225125 - 24 = 156225109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156225127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11927 + ... + 21323.

It is an arithmetic number, because the mean of its divisors is an integer number (7330440).

Almost surely, 2156225125 is an apocalyptic number.

It is an amenable number.

156225125 is a deficient number, since it is larger than the sum of its proper divisors (78348955).

156225125 is an equidigital number, since it uses as much as digits as its factorization.

156225125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9438 (or 9428 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 156225125 is about 12499.0049603958. The cubic root of 156225125 is about 538.5800888242.

Adding to 156225125 its reverse (521522651), we get a palindrome (677747776).

It can be divided in two parts, 156225 and 125, that multiplied together give a triangular number (19528125 = T6249).

The spelling of 156225125 in words is "one hundred fifty-six million, two hundred twenty-five thousand, one hundred twenty-five".

Divisors: 1 5 7 19 25 35 95 125 133 175 475 665 875 2375 3325 9397 16625 46985 65779 178543 234925 328895 892715 1174625 1249801 1644475 4463575 6249005 8222375 22317875 31245025 156225125