Base | Representation |
---|---|
bin | 1010001110111… |
… | …1100010110111 |
3 | 2222202202221202 |
4 | 2203233202313 |
5 | 41442033330 |
6 | 4132003115 |
7 | 1030564325 |
oct | 243574267 |
9 | 88682852 |
10 | 42924215 |
11 | 22258664 |
12 | 1246049b |
13 | 8b7b859 |
14 | 59b4d15 |
15 | 3b7d445 |
hex | 28ef8b7 |
42924215 has 8 divisors (see below), whose sum is σ = 51556560. Its totient is φ = 34307712.
The previous prime is 42924209. The next prime is 42924239. The reversal of 42924215 is 51242924.
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 42924215 - 26 = 42924151 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3176 + ... + 9794.
It is an arithmetic number, because the mean of its divisors is an integer number (6444570).
Almost surely, 242924215 is an apocalyptic number.
42924215 is a deficient number, since it is larger than the sum of its proper divisors (8632345).
42924215 is a wasteful number, since it uses less digits than its factorization.
42924215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7921.
The product of its digits is 5760, while the sum is 29.
The square root of 42924215 is about 6551.6574238890. The cubic root of 42924215 is about 350.1338671596.
The spelling of 42924215 in words is "forty-two million, nine hundred twenty-four thousand, two hundred fifteen".
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