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235242125 = 531881937
BaseRepresentation
bin11100000010110…
…00001010001101
3121101122112112022
432001120022031
5440210222000
635202015525
75554345046
oct1601301215
9541575468
10235242125
11110873988
12669475a5
1339976331
14233578cd
15159bb585
hexe05828d

235242125 has 8 divisors (see below), whose sum is σ = 293582328. Its totient is φ = 188193600.

The previous prime is 235242109. The next prime is 235242131. The reversal of 235242125 is 521242532.

It can be written as a sum of positive squares in 4 ways, for example, as 3319684 + 231922441 = 1822^2 + 15229^2 .

It is not a de Polignac number, because 235242125 - 24 = 235242109 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 235242094 and 235242103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940844 + ... + 941093.

It is an arithmetic number, because the mean of its divisors is an integer number (36697791).

Almost surely, 2235242125 is an apocalyptic number.

235242125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

235242125 is a deficient number, since it is larger than the sum of its proper divisors (58340203).

235242125 is an equidigital number, since it uses as much as digits as its factorization.

235242125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881952 (or 1881942 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 235242125 is about 15337.6049303664. The cubic root of 235242125 is about 617.3124433797.

Adding to 235242125 its reverse (521242532), we get a palindrome (756484657).

The spelling of 235242125 in words is "two hundred thirty-five million, two hundred forty-two thousand, one hundred twenty-five".

Divisors: 1 5 25 125 1881937 9409685 47048425 235242125