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242238276 = 22347292127
BaseRepresentation
bin11100111000001…
…00001101000100
3121212210222110000
432130010031010
5444003111101
640012001300
76000664020
oct1634041504
9555728400
10242238276
11114812225
1269160230
133b255877
1424259380
15163ee486
hexe704344

242238276 has 180 divisors, whose sum is σ = 755442688. Its totient is φ = 66298176.

The previous prime is 242238203. The next prime is 242238281. The reversal of 242238276 is 672832242.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (64512) is a multiple of the sum of its prime divisors (168).

It is a self number, because there is not a number n which added to its sum of digits gives 242238276.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1907325 + ... + 1907451.

Almost surely, 2242238276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242238276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377721344).

242238276 is an abundant number, since it is smaller than the sum of its proper divisors (513204412).

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

242238276 is a wasteful number, since it uses less digits than its factorization.

242238276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 168 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 242238276 is about 15564.0057825741. The cubic root of 242238276 is about 623.3724274780.

The spelling of 242238276 in words is "two hundred forty-two million, two hundred thirty-eight thousand, two hundred seventy-six".