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242004775 = 5217569423
BaseRepresentation
bin11100110110010…
…11001100100111
3121212101010010211
432123023030213
5443423123100
640003000251
75666002165
oct1633131447
9555333124
10242004775
11114672851
1269069087
133b1a34bc
14241d8235
15163a51ba
hexe6cb327

242004775 has 12 divisors (see below), whose sum is σ = 317738592. Its totient is φ = 182215040.

The previous prime is 242004773. The next prime is 242004799. The reversal of 242004775 is 577400242.

It is not a de Polignac number, because 242004775 - 21 = 242004773 is a prime.

It is a super-2 number, since 2×2420047752 = 117132622245601250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242004773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284287 + ... + 285136.

It is an arithmetic number, because the mean of its divisors is an integer number (26478216).

Almost surely, 2242004775 is an apocalyptic number.

242004775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

242004775 is a deficient number, since it is larger than the sum of its proper divisors (75733817).

242004775 is a wasteful number, since it uses less digits than its factorization.

242004775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569450 (or 569445 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 242004775 is about 15556.5026596597. The cubic root of 242004775 is about 623.1720670699.

The spelling of 242004775 in words is "two hundred forty-two million, four thousand, seven hundred seventy-five".

Divisors: 1 5 17 25 85 425 569423 2847115 9680191 14235575 48400955 242004775