Base | Representation |
---|---|
bin | 1001100110001… |
… | …1110101101110 |
3 | 2210202011020122 |
4 | 2121203311232 |
5 | 40301123310 |
6 | 3554444542 |
7 | 666106010 |
oct | 231436556 |
9 | 83664218 |
10 | 40254830 |
11 | 207a5060 |
12 | 11593752 |
13 | 8455835 |
14 | 54bc1b0 |
15 | 3802555 |
hex | 2663d6e |
40254830 has 64 divisors (see below), whose sum is σ = 94307328. Its totient is φ = 11996160.
The previous prime is 40254821. The next prime is 40254857. The reversal of 40254830 is 3845204.
It is a self number, because there is not a number n which added to its sum of digits gives 40254830.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16574 + ... + 18846.
It is an arithmetic number, because the mean of its divisors is an integer number (1473552).
Almost surely, 240254830 is an apocalyptic number.
40254830 is an abundant number, since it is smaller than the sum of its proper divisors (54052498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40254830 is a wasteful number, since it uses less digits than its factorization.
40254830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2321.
The product of its (nonzero) digits is 3840, while the sum is 26.
The square root of 40254830 is about 6344.6694161319. The cubic root of 40254830 is about 342.7199077913.
The spelling of 40254830 in words is "forty million, two hundred fifty-four thousand, eight hundred thirty".
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