Base | Representation |
---|---|
bin | 100110001100… |
… | …1101010101010 |
3 | 1101200112100112 |
4 | 1030121222222 |
5 | 20111344244 |
6 | 1553134322 |
7 | 332143613 |
oct | 114315252 |
9 | 41615315 |
10 | 20028074 |
11 | 1033a430 |
12 | 685a3a2 |
13 | 41c3141 |
14 | 2934c0a |
15 | 1b5939e |
hex | 1319aaa |
20028074 has 16 divisors (see below), whose sum is σ = 34701696. Its totient is φ = 8568000.
The previous prime is 20028059. The next prime is 20028079. The reversal of 20028074 is 47082002.
It is a super-3 number, since 3×200280743 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (20028079) 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, 26402 + ... + 27149.
It is an arithmetic number, because the mean of its divisors is an integer number (2168856).
Almost surely, 220028074 is an apocalyptic number.
20028074 is a deficient number, since it is larger than the sum of its proper divisors (14673622).
20028074 is a wasteful number, since it uses less digits than its factorization.
20028074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53581.
The product of its (nonzero) digits is 896, while the sum is 23.
The square root of 20028074 is about 4475.2736229196. The cubic root of 20028074 is about 271.5687098792.
The spelling of 20028074 in words is "twenty million, twenty-eight thousand, seventy-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •