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505042552 = 2379018617
BaseRepresentation
bin11110000110100…
…101011001111000
31022012022211010201
4132012211121320
52013242330202
6122040451544
715341535160
oct3606453170
91265284121
10505042552
1123a0a0a43
12121179bb4
138082c361
144b1095a0
152e512387
hex1e1a5678

505042552 has 16 divisors (see below), whose sum is σ = 1082234160. Its totient is φ = 216446784.

The previous prime is 505042547. The next prime is 505042561. The reversal of 505042552 is 255240505.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 505042552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4509253 + ... + 4509364.

It is an arithmetic number, because the mean of its divisors is an integer number (67639635).

Almost surely, 2505042552 is an apocalyptic number.

It is an amenable number.

505042552 is an abundant number, since it is smaller than the sum of its proper divisors (577191608).

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

505042552 is a wasteful number, since it uses less digits than its factorization.

505042552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9018630 (or 9018626 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 505042552 is about 22473.1518038748. The cubic root of 505042552 is about 796.3597903825.

The spelling of 505042552 in words is "five hundred five million, forty-two thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 9018617 18037234 36074468 63130319 72148936 126260638 252521276 505042552