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240144225 = 3523201923
BaseRepresentation
bin11100101000001…
…00111101100001
3121201212120221120
432110010331201
5442434103400
635455042453
75644122636
oct1624047541
9551776846
10240144225
11113611a02
1268510429
133a9a1699
1423c7218d
1516138ca0
hexe504f61

240144225 has 12 divisors (see below), whose sum is σ = 397038576. Its totient is φ = 128076880.

The previous prime is 240144221. The next prime is 240144239. The reversal of 240144225 is 522441042.

It is a happy number.

It is not a de Polignac number, because 240144225 - 22 = 240144221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240144195 and 240144204.

It is not an unprimeable number, because it can be changed into a prime (240144221) 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 11 ways as a sum of consecutive naturals, for example, 1600887 + ... + 1601036.

It is an arithmetic number, because the mean of its divisors is an integer number (33086548).

Almost surely, 2240144225 is an apocalyptic number.

240144225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240144225 is a deficient number, since it is larger than the sum of its proper divisors (156894351).

240144225 is a wasteful number, since it uses less digits than its factorization.

240144225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201936 (or 3201931 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 240144225 is about 15496.5875275817. The cubic root of 240144225 is about 621.5709597658.

Adding to 240144225 its reverse (522441042), we get a palindrome (762585267).

The spelling of 240144225 in words is "two hundred forty million, one hundred forty-four thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 3201923 9605769 16009615 48028845 80048075 240144225