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240343225 = 529613729
BaseRepresentation
bin11100101001101…
…01100010111001
3121202020200220221
432110311202321
5443011440400
635503220041
75645612053
oct1624654271
9552220827
10240343225
11113738471
12685a7621
133aa41135
1423cc48d3
1516177c1a
hexe5358b9

240343225 has 6 divisors (see below), whose sum is σ = 298025630. Its totient is φ = 192274560.

The previous prime is 240343223. The next prime is 240343241. The reversal of 240343225 is 522343042.

It can be written as a sum of positive squares in 3 ways, for example, as 1115136 + 239228089 = 1056^2 + 15467^2 .

It is not a de Polignac number, because 240343225 - 21 = 240343223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 9613729 = 240343225 / (2 + 4 + 0 + 3 + 4 + 3 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 240343225.

It is not an unprimeable number, because it can be changed into a prime (240343223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4806840 + ... + 4806889.

Almost surely, 2240343225 is an apocalyptic number.

240343225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240343225 is a deficient number, since it is larger than the sum of its proper divisors (57682405).

240343225 is an equidigital number, since it uses as much as digits as its factorization.

240343225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9613739 (or 9613734 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 240343225 is about 15503.0069663920. The cubic root of 240343225 is about 621.7426044930.

Adding to 240343225 its reverse (522343042), we get a palindrome (762686267).

The spelling of 240343225 in words is "two hundred forty million, three hundred forty-three thousand, two hundred twenty-five".

Divisors: 1 5 25 9613729 48068645 240343225