Base | Representation |
---|---|
bin | 110101100010… |
… | …0010110000010 |
3 | 1221210221222000 |
4 | 1223010112002 |
5 | 24141122302 |
6 | 2441324430 |
7 | 460365402 |
oct | 153042602 |
9 | 57727860 |
10 | 28067202 |
11 | 14930339 |
12 | 9496716 |
13 | 5a79317 |
14 | 3a28802 |
15 | 26e631c |
hex | 1ac4582 |
28067202 has 32 divisors (see below), whose sum is σ = 62544960. Its totient is φ = 9329760.
The previous prime is 28067177. The next prime is 28067209. The reversal of 28067202 is 20276082.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (28067209) 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, 36502 + ... + 37262.
It is an arithmetic number, because the mean of its divisors is an integer number (1954530).
Almost surely, 228067202 is an apocalyptic number.
28067202 is an abundant number, since it is smaller than the sum of its proper divisors (34477758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28067202 is a wasteful number, since it uses less digits than its factorization.
28067202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1455 (or 1449 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 28067202 is about 5297.8488087147. The cubic root of 28067202 is about 303.9016374408.
The spelling of 28067202 in words is "twenty-eight million, sixty-seven thousand, two hundred two".
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