Base | Representation |
---|---|
bin | 110110011011… |
… | …1010001101010 |
3 | 1222200212201120 |
4 | 1230313101222 |
5 | 24301203322 |
6 | 2455400110 |
7 | 464366025 |
oct | 154672152 |
9 | 58625646 |
10 | 28537962 |
11 | 15121aa2 |
12 | 9683036 |
13 | 5bb268b |
14 | 3b0c1bc |
15 | 278aa5c |
hex | 1b3746a |
28537962 has 32 divisors (see below), whose sum is σ = 60480000. Its totient is φ = 8952048.
The previous prime is 28537937. The next prime is 28537969. The reversal of 28537962 is 26973582.
It is a super-2 number, since 2×285379622 = 1628830550226888, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28537969) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18289 + ... + 19787.
It is an arithmetic number, because the mean of its divisors is an integer number (1890000).
Almost surely, 228537962 is an apocalyptic number.
28537962 is an abundant number, since it is smaller than the sum of its proper divisors (31942038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28537962 is a wasteful number, since it uses less digits than its factorization.
28537962 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1690.
The product of its digits is 181440, while the sum is 42.
The square root of 28537962 is about 5342.0934098909. The cubic root of 28537962 is about 305.5912993900.
The spelling of 28537962 in words is "twenty-eight million, five hundred thirty-seven thousand, nine hundred sixty-two".
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