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240255025 = 5265314717
BaseRepresentation
bin11100101001000…
…00000000110001
3121202002012221021
432110200000301
5443001130100
635501255441
75645063653
oct1624400061
9552065837
10240255025
1111368817a
1268564581
133aa0cc4a
1423ca06d3
151615ba1a
hexe520031

240255025 has 12 divisors (see below), whose sum is σ = 298392732. Its totient is φ = 191896640.

The previous prime is 240255013. The next prime is 240255073. The reversal of 240255025 is 520552042.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 36108081 + 204146944 = 6009^2 + 14288^2 .

It is not a de Polignac number, because 240255025 - 211 = 240252977 is a prime.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8967 + ... + 23683.

It is an arithmetic number, because the mean of its divisors is an integer number (24866061).

Almost surely, 2240255025 is an apocalyptic number.

240255025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240255025 is a deficient number, since it is larger than the sum of its proper divisors (58137707).

240255025 is a wasteful number, since it uses less digits than its factorization.

240255025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15380 (or 15375 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 240255025 is about 15500.1620959266. The cubic root of 240255025 is about 621.6665404848. Note that the first 3 decimals are identical.

The spelling of 240255025 in words is "two hundred forty million, two hundred fifty-five thousand, twenty-five".

Divisors: 1 5 25 653 3265 14717 16325 73585 367925 9610201 48051005 240255025