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242550774 = 2341497227
BaseRepresentation
bin11100111010100…
…00011111110110
3121220101212010000
432131100133312
5444043111044
640022412130
76003435054
oct1635203766
9556355100
10242550774
11114a05a94
1269291046
133b334b8b
14242db1d4
1516461d69
hexe7507f6

242550774 has 20 divisors (see below), whose sum is σ = 543493764. Its totient is φ = 80850204.

The previous prime is 242550773. The next prime is 242550797. The reversal of 242550774 is 477055242.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242550773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 748452 + ... + 748775.

Almost surely, 2242550774 is an apocalyptic number.

242550774 is an abundant number, since it is smaller than the sum of its proper divisors (300942990).

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

242550774 is a wasteful number, since it uses less digits than its factorization.

242550774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497241 (or 1497232 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 242550774 is about 15574.0416719617. The cubic root of 242550774 is about 623.6403715482.

The spelling of 242550774 in words is "two hundred forty-two million, five hundred fifty thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 1497227 2994454 4491681 8983362 13475043 26950086 40425129 80850258 121275387 242550774