Base | Representation |
---|---|
bin | 1100011100101… |
… | …1110110100001 |
3 | 10122020210210100 |
4 | 3013023312201 |
5 | 101331341301 |
6 | 5103053013 |
7 | 1202551623 |
oct | 307136641 |
9 | 118223710 |
10 | 52215201 |
11 | 27524065 |
12 | 155a1169 |
13 | aa8278c |
14 | 6d12c13 |
15 | 48b6286 |
hex | 31cbda1 |
52215201 has 12 divisors (see below), whose sum is σ = 77176528. Its totient is φ = 34000344.
The previous prime is 52215199. The next prime is 52215223. The reversal of 52215201 is 10251225.
It is not a de Polignac number, because 52215201 - 21 = 52215199 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (52215271) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67075 + ... + 67848.
Almost surely, 252215201 is an apocalyptic number.
It is an amenable number.
52215201 is a deficient number, since it is larger than the sum of its proper divisors (24961327).
52215201 is a wasteful number, since it uses less digits than its factorization.
52215201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134972 (or 134969 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 18.
The square root of 52215201 is about 7226.0086493167. The cubic root of 52215201 is about 373.7653045339.
Adding to 52215201 its reverse (10251225), we get a palindrome (62466426).
The spelling of 52215201 in words is "fifty-two million, two hundred fifteen thousand, two hundred one".
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