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235421125 = 531883369
BaseRepresentation
bin11100000100000…
…11110111000101
3121101222122001221
432002003313011
5440231434000
635205520341
75556021652
oct1602036705
9541878057
10235421125
11110986415
1266a130b1
1339a09954
14233a2c29
1515a0461a
hexe083dc5

235421125 has 8 divisors (see below), whose sum is σ = 293805720. Its totient is φ = 188336800.

The previous prime is 235421119. The next prime is 235421129. The reversal of 235421125 is 521124532.

It can be written as a sum of positive squares in 4 ways, for example, as 933156 + 234487969 = 966^2 + 15313^2 .

It is not a de Polignac number, because 235421125 - 25 = 235421093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 235421125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235421129) 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 7 ways as a sum of consecutive naturals, for example, 941560 + ... + 941809.

It is an arithmetic number, because the mean of its divisors is an integer number (36725715).

Almost surely, 2235421125 is an apocalyptic number.

235421125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

235421125 is a deficient number, since it is larger than the sum of its proper divisors (58384595).

235421125 is an equidigital number, since it uses as much as digits as its factorization.

235421125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883384 (or 1883374 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 235421125 is about 15343.4391516374. The cubic root of 235421125 is about 617.4689784281.

Adding to 235421125 its reverse (521124532), we get a palindrome (756545657).

The spelling of 235421125 in words is "two hundred thirty-five million, four hundred twenty-one thousand, one hundred twenty-five".

Divisors: 1 5 25 125 1883369 9416845 47084225 235421125