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242745084 = 22327019619
BaseRepresentation
bin11100111011111…
…11111011111100
3121220202201122200
432131333323330
5444120320314
640030511500
76005204421
oct1635777374
9556681580
10242745084
11115028a7a
1269365590
133b3a245a
142434bd48
151649e709
hexe77fefc

242745084 has 36 divisors (see below), whose sum is σ = 614544840. Its totient is φ = 80791200.

The previous prime is 242745053. The next prime is 242745101. The reversal of 242745084 is 480547242.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20427 + ... + 30045.

It is an arithmetic number, because the mean of its divisors is an integer number (17070690).

Almost surely, 2242745084 is an apocalyptic number.

It is an amenable number.

242745084 is an abundant number, since it is smaller than the sum of its proper divisors (371799756).

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

242745084 is a wasteful number, since it uses less digits than its factorization.

242745084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10330 (or 10325 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 242745084 is about 15580.2786881365. The cubic root of 242745084 is about 623.8068620711.

The spelling of 242745084 in words is "two hundred forty-two million, seven hundred forty-five thousand, eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 701 1402 2103 2804 4206 6309 8412 9619 12618 19238 25236 28857 38476 57714 86571 115428 173142 346284 6742919 13485838 20228757 26971676 40457514 60686271 80915028 121372542 242745084