Base | Representation |
---|---|
bin | 1000101100100… |
… | …10001000010000 |
3 | 12002021020222112 |
4 | 10112102020100 |
5 | 122133402123 |
6 | 11123324452 |
7 | 1544032025 |
oct | 426221020 |
9 | 162236875 |
10 | 72950288 |
11 | 381a66a4 |
12 | 20520728 |
13 | 12162668 |
14 | 998d54c |
15 | 660ed78 |
hex | 4592210 |
72950288 has 10 divisors (see below), whose sum is σ = 141341214. Its totient is φ = 36475136.
The previous prime is 72950243. The next prime is 72950303. The reversal of 72950288 is 88205927.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 40551424 + 32398864 = 6368^2 + 5692^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2279681 + ... + 2279712.
Almost surely, 272950288 is an apocalyptic number.
It is an amenable number.
72950288 is a deficient number, since it is larger than the sum of its proper divisors (68390926).
72950288 is a wasteful number, since it uses less digits than its factorization.
72950288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4559401 (or 4559395 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 41.
The square root of 72950288 is about 8541.0940751171. The cubic root of 72950288 is about 417.8390290037.
The spelling of 72950288 in words is "seventy-two million, nine hundred fifty thousand, two hundred eighty-eight".
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