Base | Representation |
---|---|
bin | 100110001110… |
… | …0011011110111 |
3 | 1101201002220120 |
4 | 1030130123313 |
5 | 20112230130 |
6 | 1553303023 |
7 | 332221644 |
oct | 114343367 |
9 | 41632816 |
10 | 20039415 |
11 | 10347a00 |
12 | 6864a73 |
13 | 41c8356 |
14 | 2938dcb |
15 | 1b5c910 |
hex | 131c6f7 |
20039415 has 48 divisors (see below), whose sum is σ = 36018528. Its totient is φ = 9504000.
The previous prime is 20039407. The next prime is 20039443. The reversal of 20039415 is 51493002.
It is not a de Polignac number, because 20039415 - 23 = 20039407 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110625 + ... + 110805.
It is an arithmetic number, because the mean of its divisors is an integer number (750386).
Almost surely, 220039415 is an apocalyptic number.
20039415 is a deficient number, since it is larger than the sum of its proper divisors (15979113).
20039415 is a wasteful number, since it uses less digits than its factorization.
20039415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 272 (or 261 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 20039415 is about 4476.5405169617. The cubic root of 20039415 is about 271.6199592670.
The spelling of 20039415 in words is "twenty million, thirty-nine thousand, four hundred fifteen".
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