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242470458 = 23231343037
BaseRepresentation
bin11100111001111…
…00111000111010
3121220020202221100
432130330320322
5444033023313
640020552230
76002651646
oct1634747072
9556222840
10242470458
1111496070a
1269252676
133b307459
14242b9c26
1516448173
hexe73ce3a

242470458 has 24 divisors (see below), whose sum is σ = 527043348. Its totient is φ = 80563392.

The previous prime is 242470441. The next prime is 242470463. The reversal of 242470458 is 854074242.

It can be written as a sum of positive squares in 2 ways, for example, as 143209089 + 99261369 = 11967^2 + 9963^2 .

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, 15885 + ... + 27152.

Almost surely, 2242470458 is an apocalyptic number.

242470458 is an abundant number, since it is smaller than the sum of its proper divisors (284572890).

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

242470458 is a wasteful number, since it uses less digits than its factorization.

242470458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43358 (or 43355 counting only the distinct ones).

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

The square root of 242470458 is about 15571.4629370525. The cubic root of 242470458 is about 623.5715284645.

The spelling of 242470458 in words is "two hundred forty-two million, four hundred seventy thousand, four hundred fifty-eight".

Divisors: 1 2 3 6 9 18 313 626 939 1878 2817 5634 43037 86074 129111 258222 387333 774666 13470581 26941162 40411743 80823486 121235229 242470458