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242645076 = 22326740141
BaseRepresentation
bin11100111011001…
…11100001010100
3121220120122110200
432131213201110
5444104120301
640024420500
76004310022
oct1635474124
9556518420
10242645076
11114a6a923
1269317730
133b368a8b
1424323712
151647ec86
hexe767854

242645076 has 18 divisors (see below), whose sum is σ = 613352922. Its totient is φ = 80881680.

The previous prime is 242645069. The next prime is 242645083. The reversal of 242645076 is 670546242.

242645076 is a `hidden beast` number, since 2 + 4 + 2 + 645 + 0 + 7 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (242645069) and next prime (242645083).

It can be written as a sum of positive squares in only one way, i.e., 241491600 + 1153476 = 15540^2 + 1074^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6740141 = 242645076 / (2 + 4 + 2 + 6 + 4 + 5 + 0 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 242645076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3370035 + ... + 3370106.

Almost surely, 2242645076 is an apocalyptic number.

It is an amenable number.

242645076 is an abundant number, since it is smaller than the sum of its proper divisors (370707846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242645076 is a wasteful number, since it uses less digits than its factorization.

242645076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6740151 (or 6740146 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 242645076 is about 15577.0689155566. The cubic root of 242645076 is about 623.7211833761.

The spelling of 242645076 in words is "two hundred forty-two million, six hundred forty-five thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 6740141 13480282 20220423 26960564 40440846 60661269 80881692 121322538 242645076