Base | Representation |
---|---|
bin | 110101011110… |
… | …0111111101110 |
3 | 1221202102200012 |
4 | 1222330333232 |
5 | 24134141402 |
6 | 2440533222 |
7 | 460211552 |
oct | 152747756 |
9 | 57672605 |
10 | 28037102 |
11 | 1490a765 |
12 | 9481212 |
13 | 5a68702 |
14 | 3a1b862 |
15 | 26dc452 |
hex | 1abcfee |
28037102 has 4 divisors (see below), whose sum is σ = 42055656. Its totient is φ = 14018550.
The previous prime is 28037101. The next prime is 28037111. The reversal of 28037102 is 20173082.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20173082 = 2 ⋅10086541.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28037101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7009274 + ... + 7009277.
It is an arithmetic number, because the mean of its divisors is an integer number (10513914).
Almost surely, 228037102 is an apocalyptic number.
28037102 is a deficient number, since it is larger than the sum of its proper divisors (14018554).
28037102 is a wasteful number, since it uses less digits than its factorization.
28037102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14018553.
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 28037102 is about 5295.0072710054. The cubic root of 28037102 is about 303.7929612331.
The spelling of 28037102 in words is "twenty-eight million, thirty-seven thousand, one hundred two".
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