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242548325 = 529701933
BaseRepresentation
bin11100111010011…
…11111001100101
3121220101201202022
432131033321211
5444043021300
640022352525
76003424655
oct1635177145
9556351668
10242548325
11114a04168
126928b745
133b333a26
14242da365
1516461285
hexe74fe65

242548325 has 6 divisors (see below), whose sum is σ = 300759954. Its totient is φ = 194038640.

The previous prime is 242548321. The next prime is 242548379. The reversal of 242548325 is 523845242.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 64032004 + 178516321 = 8002^2 + 13361^2 .

It is not a de Polignac number, because 242548325 - 22 = 242548321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242548321) 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, 4850942 + ... + 4850991.

It is an arithmetic number, because the mean of its divisors is an integer number (50126659).

Almost surely, 2242548325 is an apocalyptic number.

242548325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242548325 is a deficient number, since it is larger than the sum of its proper divisors (58211629).

242548325 is an equidigital number, since it uses as much as digits as its factorization.

242548325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9701943 (or 9701938 counting only the distinct ones).

The product of its digits is 76800, while the sum is 35.

The square root of 242548325 is about 15573.9630473428. The cubic root of 242548325 is about 623.6382726057.

The spelling of 242548325 in words is "two hundred forty-two million, five hundred forty-eight thousand, three hundred twenty-five".

Divisors: 1 5 25 9701933 48509665 242548325