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242461530 = 23252694017
BaseRepresentation
bin11100111001110…
…10101101011010
3121220020022200200
432130322231122
5444032232110
640020443030
76002613633
oct1634725532
9556208620
10242461530
11114954a33
1269249476
133b30337c
14242b688a
15164456c0
hexe73ab5a

242461530 has 24 divisors (see below), whose sum is σ = 630400212. Its totient is φ = 64656384.

The previous prime is 242461523. The next prime is 242461573. The reversal of 242461530 is 35164242.

242461530 is a `hidden beast` number, since 2 + 42 + 4 + 615 + 3 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 231983361 + 10478169 = 15231^2 + 3237^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242461494 and 242461503.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1346919 + ... + 1347098.

Almost surely, 2242461530 is an apocalyptic number.

242461530 is an abundant number, since it is smaller than the sum of its proper divisors (387938682).

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

242461530 is a wasteful number, since it uses less digits than its factorization.

242461530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694030 (or 2694027 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 242461530 is about 15571.1762561471. The cubic root of 242461530 is about 623.5638748655.

The spelling of 242461530 in words is "two hundred forty-two million, four hundred sixty-one thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2694017 5388034 8082051 13470085 16164102 24246153 26940170 40410255 48492306 80820510 121230765 242461530