Base | Representation |
---|---|
bin | 1001101111000… |
… | …0011111000011 |
3 | 2211211102111010 |
4 | 2123300133003 |
5 | 40423042130 |
6 | 4015052003 |
7 | 1004025366 |
oct | 233603703 |
9 | 84742433 |
10 | 40830915 |
11 | 21058964 |
12 | 11811003 |
13 | 85c7b08 |
14 | 55cc0dd |
15 | 38b80b0 |
hex | 26f07c3 |
40830915 has 8 divisors (see below), whose sum is σ = 65329488. Its totient is φ = 21776480.
The previous prime is 40830883. The next prime is 40830919. The reversal of 40830915 is 51903804.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 40830915 - 25 = 40830883 is a prime.
It is not an unprimeable number, because it can be changed into a prime (40830919) 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, 1361016 + ... + 1361045.
It is an arithmetic number, because the mean of its divisors is an integer number (8166186).
Almost surely, 240830915 is an apocalyptic number.
40830915 is a deficient number, since it is larger than the sum of its proper divisors (24498573).
40830915 is a wasteful number, since it uses less digits than its factorization.
40830915 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2722069.
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 40830915 is about 6389.9072763226. The cubic root of 40830915 is about 344.3470531876.
The spelling of 40830915 in words is "forty million, eight hundred thirty thousand, nine hundred fifteen".
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