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505299039 = 37311097121
BaseRepresentation
bin11110000111100…
…100000001011111
31022012210211222020
4132013210001133
52013324032124
6122050151223
715343654020
oct3607440137
91265724866
10505299039
1123a256713
12121282513
13808bc01b
144b174c47
152e563379
hex1e1e405f

505299039 has 32 divisors (see below), whose sum is σ = 802222080. Its totient is φ = 276825600.

The previous prime is 505299037. The next prime is 505299071. The reversal of 505299039 is 930992505.

It is not a de Polignac number, because 505299039 - 21 = 505299037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505299031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67399 + ... + 74519.

It is an arithmetic number, because the mean of its divisors is an integer number (25069440).

Almost surely, 2505299039 is an apocalyptic number.

505299039 is a deficient number, since it is larger than the sum of its proper divisors (296923041).

505299039 is a wasteful number, since it uses less digits than its factorization.

505299039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7271.

The product of its (nonzero) digits is 109350, while the sum is 42.

The square root of 505299039 is about 22478.8575999760. The cubic root of 505299039 is about 796.4945786066.

The spelling of 505299039 in words is "five hundred five million, two hundred ninety-nine thousand, thirty-nine".

Divisors: 1 3 7 21 31 93 109 217 327 651 763 2289 3379 7121 10137 21363 23653 49847 70959 149541 220751 662253 776189 1545257 2328567 4635771 5433323 16299969 24061859 72185577 168433013 505299039