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242500985 = 548500197
BaseRepresentation
bin11100111010001…
…00010101111001
3121220022022210222
432131010111321
5444040012420
640021345425
76003136646
oct1635042571
9556268728
10242500985
11114981641
1269268275
133b31830c
14242c6dcd
1516452225
hexe744579

242500985 has 4 divisors (see below), whose sum is σ = 291001188. Its totient is φ = 194000784.

The previous prime is 242500969. The next prime is 242501027. The reversal of 242500985 is 589005242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84143929 + 158357056 = 9173^2 + 12584^2 .

It is a cyclic number.

It is not a de Polignac number, because 242500985 - 24 = 242500969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24250094 + ... + 24250103.

It is an arithmetic number, because the mean of its divisors is an integer number (72750297).

Almost surely, 2242500985 is an apocalyptic number.

It is an amenable number.

242500985 is a deficient number, since it is larger than the sum of its proper divisors (48500203).

242500985 is an equidigital number, since it uses as much as digits as its factorization.

242500985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48500202.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 242500985 is about 15572.4431288093. The cubic root of 242500985 is about 623.5976965585.

The spelling of 242500985 in words is "two hundred forty-two million, five hundred thousand, nine hundred eighty-five".

Divisors: 1 5 48500197 242500985