Base | Representation |
---|---|
bin | 110110011010… |
… | …0100101111010 |
3 | 1222200022122110 |
4 | 1230310211322 |
5 | 24300330340 |
6 | 2455233150 |
7 | 464322003 |
oct | 154644572 |
9 | 58608573 |
10 | 28526970 |
11 | 1511480a |
12 | 96787b6 |
13 | 5baa684 |
14 | 3b081aa |
15 | 2787680 |
hex | 1b3497a |
28526970 has 32 divisors (see below), whose sum is σ = 68967360. Its totient is φ = 7551360.
The previous prime is 28526947. The next prime is 28526977. The reversal of 28526970 is 7962582.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (28526977) 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, 750 + ... + 7590.
It is an arithmetic number, because the mean of its divisors is an integer number (2155230).
Almost surely, 228526970 is an apocalyptic number.
28526970 is an abundant number, since it is smaller than the sum of its proper divisors (40440390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28526970 is a wasteful number, since it uses less digits than its factorization.
28526970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6990.
The product of its (nonzero) digits is 60480, while the sum is 39.
The square root of 28526970 is about 5341.0645006403. The cubic root of 28526970 is about 305.5520593662.
The spelling of 28526970 in words is "twenty-eight million, five hundred twenty-six thousand, nine hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.101 sec. • engine limits •