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242740365 = 35721719427
BaseRepresentation
bin11100111011111…
…10110010001101
3121220202111011220
432131332302031
5444120142430
640030433553
76005154600
oct1635766215
9556674156
10242740365
1111502547a
12693628b9
133b3a026a
142434a337
151649d110
hexe77ec8d

242740365 has 48 divisors (see below), whose sum is σ = 478395072. Its totient is φ = 104434176.

The previous prime is 242740339. The next prime is 242740417. The reversal of 242740365 is 563047242.

It is not a de Polignac number, because 242740365 - 26 = 242740301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2782 + ... + 22208.

It is an arithmetic number, because the mean of its divisors is an integer number (9966564).

Almost surely, 2242740365 is an apocalyptic number.

It is an amenable number.

242740365 is a deficient number, since it is larger than the sum of its proper divisors (235654707).

242740365 is a wasteful number, since it uses less digits than its factorization.

242740365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19466 (or 19459 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 242740365 is about 15580.1272459502. The cubic root of 242740365 is about 623.8028197460.

The spelling of 242740365 in words is "two hundred forty-two million, seven hundred forty thousand, three hundred sixty-five".

Divisors: 1 3 5 7 15 17 21 35 49 51 85 105 119 147 245 255 357 595 735 833 1785 2499 4165 12495 19427 58281 97135 135989 291405 330259 407967 679945 951923 990777 1651295 2039835 2311813 2855769 4759615 4953885 6935439 11559065 14278845 16182691 34677195 48548073 80913455 242740365