Base | Representation |
---|---|
bin | 110110010010… |
… | …0111010110010 |
3 | 1222120001120200 |
4 | 1230210322302 |
5 | 24241302040 |
6 | 2454020030 |
7 | 463633560 |
oct | 154447262 |
9 | 58501520 |
10 | 28462770 |
11 | 15080556 |
12 | 9647616 |
13 | 5b8739b |
14 | 3acca30 |
15 | 2773630 |
hex | 1b24eb2 |
28462770 has 48 divisors (see below), whose sum is σ = 84576960. Its totient is φ = 6505632.
The previous prime is 28462769. The next prime is 28462781. The reversal of 28462770 is 7726482.
28462770 is a `hidden beast` number, since 28 + 4 + 627 + 7 + 0 = 666.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21960 + ... + 23219.
It is an arithmetic number, because the mean of its divisors is an integer number (1762020).
Almost surely, 228462770 is an apocalyptic number.
28462770 is an abundant number, since it is smaller than the sum of its proper divisors (56114190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28462770 is a wasteful number, since it uses less digits than its factorization.
28462770 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45199 (or 45196 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 36.
The square root of 28462770 is about 5335.0510775437. The cubic root of 28462770 is about 305.3226720384.
The spelling of 28462770 in words is "twenty-eight million, four hundred sixty-two thousand, seven hundred seventy".
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