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503294129 = 13172277349
BaseRepresentation
bin11101111111111…
…010100010110001
31022002000222202022
4131333322202301
52012320403004
6121535201225
715320633552
oct3577724261
91262028668
10503294129
11239107368
12120676215
13803695a0
144abb2329
152e2b92be
hex1dffa8b1

503294129 has 8 divisors (see below), whose sum is σ = 573892200. Its totient is φ = 437250816.

The previous prime is 503294117. The next prime is 503294161. The reversal of 503294129 is 921492305.

It can be written as a sum of positive squares in 4 ways, for example, as 25959025 + 477335104 = 5095^2 + 21848^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-503294129 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503294179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138454 + ... + 1138895.

It is an arithmetic number, because the mean of its divisors is an integer number (71736525).

Almost surely, 2503294129 is an apocalyptic number.

It is an amenable number.

503294129 is a deficient number, since it is larger than the sum of its proper divisors (70598071).

503294129 is a wasteful number, since it uses less digits than its factorization.

503294129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277379.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 503294129 is about 22434.2178156494. The cubic root of 503294129 is about 795.4397466927.

The spelling of 503294129 in words is "five hundred three million, two hundred ninety-four thousand, one hundred twenty-nine".

Divisors: 1 13 17 221 2277349 29605537 38714933 503294129