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506426668 = 221117677041
BaseRepresentation
bin11110001011110…
…111010100101100
31022021221010210021
4132023313110230
52014121123133
6122130251524
715356361406
oct3613672454
91267833707
10506426668
1123a956940
12121726ba4
1380bc5367
144b389b76
152e6d752d
hex1e2f752c

506426668 has 24 divisors (see below), whose sum is σ = 1023687504. Its totient is φ = 216652800.

The previous prime is 506426639. The next prime is 506426671. The reversal of 506426668 is 866624605.

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 7 ways as a sum of consecutive naturals, for example, 337773 + ... + 339268.

It is an arithmetic number, because the mean of its divisors is an integer number (42653646).

Almost surely, 2506426668 is an apocalyptic number.

It is an amenable number.

506426668 is an abundant number, since it is smaller than the sum of its proper divisors (517260836).

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

506426668 is a wasteful number, since it uses less digits than its factorization.

506426668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677073 (or 677071 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 506426668 is about 22503.9256131014. The cubic root of 506426668 is about 797.0866261116.

The spelling of 506426668 in words is "five hundred six million, four hundred twenty-six thousand, six hundred sixty-eight".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 677041 1354082 2708164 7447451 11509697 14894902 23019394 29789804 46038788 126606667 253213334 506426668