Base | Representation |
---|---|
bin | 110111010000… |
… | …0000001111110 |
3 | 2000111200022021 |
4 | 1232200001332 |
5 | 24403421123 |
6 | 2512510354 |
7 | 501134002 |
oct | 156400176 |
9 | 60450267 |
10 | 28967038 |
11 | 15395401 |
12 | 984b3ba |
13 | 6002a79 |
14 | 3bc0702 |
15 | 2822c5d |
hex | 1ba007e |
28967038 has 4 divisors (see below), whose sum is σ = 43450560. Its totient is φ = 14483518.
The previous prime is 28967023. The next prime is 28967063. The reversal of 28967038 is 83076982.
It is a semiprime because it is the product of two primes.
It is a junction number, because it is equal to n+sod(n) for n = 28966985 and 28967003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7241758 + ... + 7241761.
It is an arithmetic number, because the mean of its divisors is an integer number (10862640).
Almost surely, 228967038 is an apocalyptic number.
28967038 is a deficient number, since it is larger than the sum of its proper divisors (14483522).
28967038 is a wasteful number, since it uses less digits than its factorization.
28967038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14483521.
The product of its (nonzero) digits is 145152, while the sum is 43.
The square root of 28967038 is about 5382.1034921302. The cubic root of 28967038 is about 307.1152364768.
The spelling of 28967038 in words is "twenty-eight million, nine hundred sixty-seven thousand, thirty-eight".
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