Base | Representation |
---|---|
bin | 110110100100… |
… | …1010111100011 |
3 | 1222211122101012 |
4 | 1231021113203 |
5 | 24311041232 |
6 | 2501131135 |
7 | 465125051 |
oct | 155112743 |
9 | 58748335 |
10 | 28612067 |
11 | 15172740 |
12 | 96b9aab |
13 | 5c0a323 |
14 | 3b2b1d1 |
15 | 27a29b2 |
hex | 1b495e3 |
28612067 has 16 divisors (see below), whose sum is σ = 32508000. Its totient is φ = 24944640.
The previous prime is 28612027. The next prime is 28612079. The reversal of 28612067 is 76021682.
It is not a de Polignac number, because 28612067 - 220 = 27563491 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28612007) 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, 81809 + ... + 82157.
It is an arithmetic number, because the mean of its divisors is an integer number (2031750).
Almost surely, 228612067 is an apocalyptic number.
28612067 is a deficient number, since it is larger than the sum of its proper divisors (3895933).
28612067 is a wasteful number, since it uses less digits than its factorization.
28612067 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 646.
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 28612067 is about 5349.0248644029. The cubic root of 28612067 is about 305.8555821006.
The spelling of 28612067 in words is "twenty-eight million, six hundred twelve thousand, sixty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •