Base | Representation |
---|---|
bin | 1100100111000… |
… | …0101100101111 |
3 | 10200112010000021 |
4 | 3021300230233 |
5 | 102014443130 |
6 | 5125343011 |
7 | 1211363314 |
oct | 311605457 |
9 | 120463007 |
10 | 52890415 |
11 | 27945396 |
12 | 15867a67 |
13 | ac5ac06 |
14 | 704ad0b |
15 | 499b37a |
hex | 3270b2f |
52890415 has 8 divisors (see below), whose sum is σ = 63507600. Its totient is φ = 42286272.
The previous prime is 52890413. The next prime is 52890443. The reversal of 52890415 is 51409825.
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 52890415 - 21 = 52890413 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52890413) 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, 13611 + ... + 17059.
It is an arithmetic number, because the mean of its divisors is an integer number (7938450).
Almost surely, 252890415 is an apocalyptic number.
52890415 is a deficient number, since it is larger than the sum of its proper divisors (10617185).
52890415 is a wasteful number, since it uses less digits than its factorization.
52890415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6521.
The product of its (nonzero) digits is 14400, while the sum is 34.
The square root of 52890415 is about 7272.5796661157. The cubic root of 52890415 is about 375.3695083758.
The spelling of 52890415 in words is "fifty-two million, eight hundred ninety thousand, four hundred fifteen".
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