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503970081 = 33715972843
BaseRepresentation
bin11110000010011…
…111100100100001
31022010022022222120
4132002133210201
52013004020311
6122001454453
715326450346
oct3602374441
91263268876
10503970081
112395291aa
12120941429
1380545164
144ad0a7cd
152e39e706
hex1e09f921

503970081 has 16 divisors (see below), whose sum is σ = 690796224. Its totient is φ = 326579904.

The previous prime is 503970059. The next prime is 503970101. The reversal of 503970081 is 180079305.

It is not a de Polignac number, because 503970081 - 27 = 503969953 is a prime.

It is a super-2 number, since 2×5039700812 = 507971685086293122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (503970281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175846 + ... + 178688.

It is an arithmetic number, because the mean of its divisors is an integer number (43174764).

Almost surely, 2503970081 is an apocalyptic number.

It is an amenable number.

503970081 is a deficient number, since it is larger than the sum of its proper divisors (186826143).

503970081 is a wasteful number, since it uses less digits than its factorization.

503970081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 503970081 is about 22449.2779616628. The cubic root of 503970081 is about 795.7956939909.

The spelling of 503970081 in words is "five hundred three million, nine hundred seventy thousand, eighty-one".

Divisors: 1 3 37 111 1597 2843 4791 8529 59089 105191 177267 315573 4540271 13620813 167990027 503970081