Base | Representation |
---|---|
bin | 100110010010… |
… | …0100001100100 |
3 | 1101202210100201 |
4 | 1030210201210 |
5 | 20114310143 |
6 | 1554120244 |
7 | 332420356 |
oct | 114444144 |
9 | 41683321 |
10 | 20072548 |
11 | 1036a891 |
12 | 6880084 |
13 | 420a462 |
14 | 29470d6 |
15 | 1b6764d |
hex | 1324864 |
20072548 has 6 divisors (see below), whose sum is σ = 35126966. Its totient is φ = 10036272.
The previous prime is 20072543. The next prime is 20072561. The reversal of 20072548 is 84527002.
It can be written as a sum of positive squares in only one way, i.e., 18731584 + 1340964 = 4328^2 + 1158^2 .
It is not an unprimeable number, because it can be changed into a prime (20072543) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2509065 + ... + 2509072.
Almost surely, 220072548 is an apocalyptic number.
It is an amenable number.
20072548 is a deficient number, since it is larger than the sum of its proper divisors (15054418).
20072548 is a wasteful number, since it uses less digits than its factorization.
20072548 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5018141 (or 5018139 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 28.
The square root of 20072548 is about 4480.2397257290. The cubic root of 20072548 is about 271.7695748906.
The spelling of 20072548 in words is "twenty million, seventy-two thousand, five hundred forty-eight".
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