Base | Representation |
---|---|
bin | 1100101000010… |
… | …0110011101111 |
3 | 10200200021222221 |
4 | 3022010303233 |
5 | 102030112113 |
6 | 5131220211 |
7 | 1212155413 |
oct | 312046357 |
9 | 120607887 |
10 | 52972783 |
11 | 279a1266 |
12 | 158a7667 |
13 | ac89556 |
14 | 706cd43 |
15 | 49b598d |
hex | 3284cef |
52972783 has 8 divisors (see below), whose sum is σ = 53750736. Its totient is φ = 52200000.
The previous prime is 52972781. The next prime is 52972793. The reversal of 52972783 is 38727925.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 52972783 - 21 = 52972781 is a prime.
It is a super-2 number, since 2×529727832 = 5612231477530178, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52972781) 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, 22408 + ... + 24658.
It is an arithmetic number, because the mean of its divisors is an integer number (6718842).
Almost surely, 252972783 is an apocalyptic number.
52972783 is a deficient number, since it is larger than the sum of its proper divisors (777953).
52972783 is a wasteful number, since it uses less digits than its factorization.
52972783 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2585.
The product of its digits is 211680, while the sum is 43.
The square root of 52972783 is about 7278.2403780035. The cubic root of 52972783 is about 375.5642657778.
The spelling of 52972783 in words is "fifty-two million, nine hundred seventy-two thousand, seven hundred eighty-three".
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