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242651274 = 2344990071
BaseRepresentation
bin11100111011010…
…01000010001010
3121220120221222020
432131221002022
5444104320044
640024505310
76004334055
oct1635510212
9556527866
10242651274
11114a74548
126931b236
133b36b848
1424325a9c
1516481a19
hexe76908a

242651274 has 16 divisors (see below), whose sum is σ = 486388800. Its totient is φ = 80702720.

The previous prime is 242651273. The next prime is 242651281. The reversal of 242651274 is 472156242.

It is not an unprimeable number, because it can be changed into a prime (242651273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42342 + ... + 47729.

It is an arithmetic number, because the mean of its divisors is an integer number (30399300).

Almost surely, 2242651274 is an apocalyptic number.

242651274 is an abundant number, since it is smaller than the sum of its proper divisors (243737526).

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

242651274 is a wasteful number, since it uses less digits than its factorization.

242651274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90525.

The product of its digits is 26880, while the sum is 33.

The square root of 242651274 is about 15577.2678605717. The cubic root of 242651274 is about 623.7264940011.

The spelling of 242651274 in words is "two hundred forty-two million, six hundred fifty-one thousand, two hundred seventy-four".

Divisors: 1 2 3 6 449 898 1347 2694 90071 180142 270213 540426 40441879 80883758 121325637 242651274