Base | Representation |
---|---|
bin | 1000100101100… |
… | …00111110000011 |
3 | 12000112101220000 |
4 | 10102300332003 |
5 | 121414344120 |
6 | 11051451043 |
7 | 1533141162 |
oct | 422607603 |
9 | 160471800 |
10 | 72028035 |
11 | 37726802 |
12 | 20156a83 |
13 | 11bcb951 |
14 | 97cd3d9 |
15 | 64cb990 |
hex | 44b0f83 |
72028035 has 40 divisors (see below), whose sum is σ = 133305216. Its totient is φ = 37169280.
The previous prime is 72028001. The next prime is 72028037. The reversal of 72028035 is 53082027.
It is not a de Polignac number, because 72028035 - 26 = 72027971 is a prime.
It is a super-2 number, since 2×720280352 = 10376075651922450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (72028037) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9687 + ... + 15423.
Almost surely, 272028035 is an apocalyptic number.
72028035 is a deficient number, since it is larger than the sum of its proper divisors (61277181).
72028035 is a wasteful number, since it uses less digits than its factorization.
72028035 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5785 (or 5776 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 72028035 is about 8486.9331916777. The cubic root of 72028035 is about 416.0707531130.
The spelling of 72028035 in words is "seventy-two million, twenty-eight thousand, thirty-five".
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