Base | Representation |
---|---|
bin | 110110110110… |
… | …1110101000110 |
3 | 2000010020020120 |
4 | 1231231311012 |
5 | 24330331124 |
6 | 2504242410 |
7 | 466316343 |
oct | 155556506 |
9 | 60106216 |
10 | 28761414 |
11 | 15264970 |
12 | 9770406 |
13 | 5c602b6 |
14 | 3b697ca |
15 | 27d1d79 |
hex | 1b6dd46 |
28761414 has 16 divisors (see below), whose sum is σ = 62752320. Its totient is φ = 8715560.
The previous prime is 28761413. The next prime is 28761427. The reversal of 28761414 is 41416782.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28761413) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217824 + ... + 217955.
It is an arithmetic number, because the mean of its divisors is an integer number (3922020).
Almost surely, 228761414 is an apocalyptic number.
28761414 is an abundant number, since it is smaller than the sum of its proper divisors (33990906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28761414 is a wasteful number, since it uses less digits than its factorization.
28761414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 435795.
The product of its digits is 10752, while the sum is 33.
The square root of 28761414 is about 5362.9669027508. The cubic root of 28761414 is about 306.3868191104.
The spelling of 28761414 in words is "twenty-eight million, seven hundred sixty-one thousand, four hundred fourteen".
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