Base | Representation |
---|---|
bin | 10011001100010001100101 |
3 | 100110121020211 |
4 | 103030101211 |
5 | 2241443023 |
6 | 255455421 |
7 | 60522451 |
oct | 23142145 |
9 | 10417224 |
10 | 5031013 |
11 | 2926969 |
12 | 1827571 |
13 | 1071c40 |
14 | 94d661 |
15 | 695a0d |
hex | 4cc465 |
5031013 has 8 divisors (see below), whose sum is σ = 5451768. Its totient is φ = 4615104.
The previous prime is 5031011. The next prime is 5031017. The reversal of 5031013 is 3101305.
It can be written as a sum of positive squares in 4 ways, for example, as 1582564 + 3448449 = 1258^2 + 1857^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 5031013 - 21 = 5031011 is a prime.
It is a super-2 number, since 2×50310132 = 50622183612338, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
5031013 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 5030984 and 5031002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5031011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131 + ... + 3367.
It is an arithmetic number, because the mean of its divisors is an integer number (681471).
Almost surely, 25031013 is an apocalyptic number.
It is an amenable number.
5031013 is a deficient number, since it is larger than the sum of its proper divisors (420755).
5031013 is a wasteful number, since it uses less digits than its factorization.
5031013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2423.
The product of its (nonzero) digits is 45, while the sum is 13.
The square root of 5031013 is about 2242.9919750191. The cubic root of 5031013 is about 171.3504094406.
Adding to 5031013 its reverse (3101305), we get a palindrome (8132318).
The spelling of 5031013 in words is "five million, thirty-one thousand, thirteen".
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