Base | Representation |
---|---|
bin | 110110000111… |
… | …0100001100101 |
3 | 1222101101202110 |
4 | 1230032201211 |
5 | 24230333140 |
6 | 2452031233 |
7 | 463102263 |
oct | 154164145 |
9 | 58341673 |
10 | 28371045 |
11 | 1501864a |
12 | 9602519 |
13 | 5b54701 |
14 | 3aa7433 |
15 | 2756380 |
hex | 1b0e865 |
28371045 has 64 divisors (see below), whose sum is σ = 51480576. Its totient is φ = 13271040.
The previous prime is 28371037. The next prime is 28371053. The reversal of 28371045 is 54017382.
It is an interprime number because it is at equal distance from previous prime (28371037) and next prime (28371053).
It is not a de Polignac number, because 28371045 - 23 = 28371037 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 292437 + ... + 292533.
It is an arithmetic number, because the mean of its divisors is an integer number (804384).
Almost surely, 228371045 is an apocalyptic number.
It is an amenable number.
28371045 is a deficient number, since it is larger than the sum of its proper divisors (23109531).
28371045 is a wasteful number, since it uses less digits than its factorization.
28371045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 190.
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 28371045 is about 5326.4476905345. The cubic root of 28371045 is about 304.9943383344.
The spelling of 28371045 in words is "twenty-eight million, three hundred seventy-one thousand, forty-five".
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