Base | Representation |
---|---|
bin | 100110010010… |
… | …1001100110011 |
3 | 1101202221011012 |
4 | 1030211030303 |
5 | 20114402230 |
6 | 1554141135 |
7 | 332431421 |
oct | 114451463 |
9 | 41687135 |
10 | 20075315 |
11 | 10371977 |
12 | 68817ab |
13 | 420b7b0 |
14 | 2948111 |
15 | 1b68395 |
hex | 1325333 |
20075315 has 8 divisors (see below), whose sum is σ = 25943568. Its totient is φ = 14824800.
The previous prime is 20075309. The next prime is 20075323. The reversal of 20075315 is 51357002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20075315 - 220 = 19026739 is a prime.
It is a Duffinian 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, 154361 + ... + 154490.
It is an arithmetic number, because the mean of its divisors is an integer number (3242946).
Almost surely, 220075315 is an apocalyptic number.
20075315 is a deficient number, since it is larger than the sum of its proper divisors (5868253).
20075315 is a wasteful number, since it uses less digits than its factorization.
20075315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 308869.
The product of its (nonzero) digits is 1050, while the sum is 23.
The square root of 20075315 is about 4480.5485155280. The cubic root of 20075315 is about 271.7820621254.
The spelling of 20075315 in words is "twenty million, seventy-five thousand, three hundred fifteen".
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