Base | Representation |
---|---|
bin | 1100011100101… |
… | …1101011001000 |
3 | 10122020202210100 |
4 | 3013023223020 |
5 | 101331330342 |
6 | 5103045400 |
7 | 1202546532 |
oct | 307135310 |
9 | 118222710 |
10 | 52214472 |
11 | 27523562 |
12 | 155a0860 |
13 | aa8234b |
14 | 6d12852 |
15 | 48b5e4c |
hex | 31cbac8 |
52214472 has 24 divisors (see below), whose sum is σ = 141414390. Its totient is φ = 17404800.
The previous prime is 52214453. The next prime is 52214473. The reversal of 52214472 is 27441225.
52214472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 38862756 + 13351716 = 6234^2 + 3654^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52214473) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 362529 + ... + 362672.
Almost surely, 252214472 is an apocalyptic number.
It is an amenable number.
52214472 is an abundant number, since it is smaller than the sum of its proper divisors (89199918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52214472 is a wasteful number, since it uses less digits than its factorization.
52214472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 725213 (or 725206 counting only the distinct ones).
The product of its digits is 4480, while the sum is 27.
The square root of 52214472 is about 7225.9582063557. The cubic root of 52214472 is about 373.7635650904.
Adding to 52214472 its reverse (27441225), we get a palindrome (79655697).
The spelling of 52214472 in words is "fifty-two million, two hundred fourteen thousand, four hundred seventy-two".
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