Base | Representation |
---|---|
bin | 110111000000… |
… | …1011010000111 |
3 | 2000021022020200 |
4 | 1232001122013 |
5 | 24340412412 |
6 | 2510101543 |
7 | 500102214 |
oct | 156013207 |
9 | 60238220 |
10 | 28841607 |
11 | 1530a143 |
12 | 97aa8b3 |
13 | 5c8a952 |
14 | 3b8ab0b |
15 | 27ea9dc |
hex | 1b81687 |
28841607 has 12 divisors (see below), whose sum is σ = 42129360. Its totient is φ = 19011168.
The previous prime is 28841591. The next prime is 28841623. The reversal of 28841607 is 70614882.
28841607 is a `hidden beast` number, since 2 + 8 + 8 + 41 + 607 = 666.
It is an interprime number because it is at equal distance from previous prime (28841591) and next prime (28841623).
It is not a de Polignac number, because 28841607 - 24 = 28841591 is a prime.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28841647) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17203 + ... + 18804.
It is an arithmetic number, because the mean of its divisors is an integer number (3510780).
Almost surely, 228841607 is an apocalyptic number.
28841607 is a deficient number, since it is larger than the sum of its proper divisors (13287753).
28841607 is a wasteful number, since it uses less digits than its factorization.
28841607 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36102 (or 36099 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 28841607 is about 5370.4382502734. The cubic root of 28841607 is about 306.6713122852.
The spelling of 28841607 in words is "twenty-eight million, eight hundred forty-one thousand, six hundred seven".
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