Base | Representation |
---|---|
bin | 1100011100100… |
… | …0110010000111 |
3 | 10122020011112210 |
4 | 3013020302013 |
5 | 101330441011 |
6 | 5102514503 |
7 | 1202500155 |
oct | 307106207 |
9 | 118204483 |
10 | 52202631 |
11 | 27515678 |
12 | 15595a33 |
13 | aa79b40 |
14 | 6d0c3d5 |
15 | 48b26a6 |
hex | 31c8c87 |
52202631 has 16 divisors (see below), whose sum is σ = 79367904. Its totient is φ = 30234624.
The previous prime is 52202621. The next prime is 52202651. The reversal of 52202631 is 13620225.
It is not a de Polignac number, because 52202631 - 26 = 52202567 is a prime.
It is a super-2 number, since 2×522026312 = 5450229366644322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 52202598 and 52202607.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52202621) 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, 38706 + ... + 40031.
It is an arithmetic number, because the mean of its divisors is an integer number (4960494).
Almost surely, 252202631 is an apocalyptic number.
52202631 is a gapful number since it is divisible by the number (51) formed by its first and last digit.
52202631 is a deficient number, since it is larger than the sum of its proper divisors (27165273).
52202631 is a wasteful number, since it uses less digits than its factorization.
52202631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78770.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 52202631 is about 7225.1388221957. The cubic root of 52202631 is about 373.7353093930.
Adding to 52202631 its reverse (13620225), we get a palindrome (65822856).
The spelling of 52202631 in words is "fifty-two million, two hundred two thousand, six hundred thirty-one".
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