Base | Representation |
---|---|
bin | 11101111110111… |
… | …010100110100111 |
3 | 1022001112200111101 |
4 | 131332322212213 |
5 | 2012234012411 |
6 | 121525420531 |
7 | 15315463162 |
oct | 3576724647 |
9 | 1261480441 |
10 | 503032231 |
11 | 238a48619 |
12 | 12056a747 |
13 | 802a7310 |
14 | 4ab44ad9 |
15 | 2e2668c1 |
hex | 1dfba9a7 |
503032231 has 16 divisors (see below), whose sum is σ = 568330560. Its totient is φ = 441987840.
The previous prime is 503032151. The next prime is 503032247. The reversal of 503032231 is 132230305.
It is not a de Polignac number, because 503032231 - 29 = 503031719 is a prime.
It is a super-2 number, since 2×5030322312 = 506082850849674722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 503032199 and 503032208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (503032031) 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, 17371 + ... + 36163.
It is an arithmetic number, because the mean of its divisors is an integer number (35520660).
Almost surely, 2503032231 is an apocalyptic number.
503032231 is a deficient number, since it is larger than the sum of its proper divisors (65298329).
503032231 is a wasteful number, since it uses less digits than its factorization.
503032231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18906.
The product of its (nonzero) digits is 540, while the sum is 19.
The square root of 503032231 is about 22428.3800351251. The cubic root of 503032231 is about 795.3017490407.
Adding to 503032231 its reverse (132230305), we get a palindrome (635262536).
The spelling of 503032231 in words is "five hundred three million, thirty-two thousand, two hundred thirty-one".
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