Base | Representation |
---|---|
bin | 110101100010… |
… | …1001001000010 |
3 | 1221211010102220 |
4 | 1223011021002 |
5 | 24141223331 |
6 | 2441351510 |
7 | 460411044 |
oct | 153051102 |
9 | 57733386 |
10 | 28070466 |
11 | 14932836 |
12 | 9498596 |
13 | 5a7a958 |
14 | 3a29a94 |
15 | 26e7296 |
hex | 1ac5242 |
28070466 has 16 divisors (see below), whose sum is σ = 56324064. Its totient is φ = 9326304.
The previous prime is 28070459. The next prime is 28070491. The reversal of 28070466 is 66407082.
It is a super-2 number, since 2×280704662 = 1575902122914312, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5596 + ... + 9351.
It is an arithmetic number, because the mean of its divisors is an integer number (3520254).
Almost surely, 228070466 is an apocalyptic number.
28070466 is an abundant number, since it is smaller than the sum of its proper divisors (28253598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28070466 is a wasteful number, since it uses less digits than its factorization.
28070466 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15265.
The product of its (nonzero) digits is 16128, while the sum is 33.
The square root of 28070466 is about 5298.1568493203. The cubic root of 28070466 is about 303.9134174595.
The spelling of 28070466 in words is "twenty-eight million, seventy thousand, four hundred sixty-six".
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