Base | Representation |
---|---|
bin | 100110010001… |
… | …1010000000000 |
3 | 1101202112012101 |
4 | 1030203100000 |
5 | 20114123303 |
6 | 1554040144 |
7 | 332366221 |
oct | 114432000 |
9 | 41675171 |
10 | 20067328 |
11 | 10366976 |
12 | 6879054 |
13 | 4207c78 |
14 | 2945248 |
15 | 1b65d1d |
hex | 1323400 |
20067328 has 22 divisors (see below), whose sum is σ = 40117106. Its totient is φ = 10033152.
The previous prime is 20067319. The next prime is 20067367. The reversal of 20067328 is 82376002.
It can be written as a sum of positive squares in only one way, i.e., 16257024 + 3810304 = 4032^2 + 1952^2 .
It is a junction number, because it is equal to n+sod(n) for n = 20067296 and 20067305.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8775 + ... + 10822.
Almost surely, 220067328 is an apocalyptic number.
It is an amenable number.
20067328 is a deficient number, since it is larger than the sum of its proper divisors (20049778).
20067328 is an equidigital number, since it uses as much as digits as its factorization.
20067328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19617 (or 19599 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 20067328 is about 4479.6571297366. The cubic root of 20067328 is about 271.7460143512.
It can be divided in two parts, 200 and 67328, that added together give a triangular number (67528 = T367).
The spelling of 20067328 in words is "twenty million, sixty-seven thousand, three hundred twenty-eight".
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