Base | Representation |
---|---|
bin | 101011000011… |
… | …110111011001 |
3 | 210020111021000 |
4 | 223003313121 |
5 | 10342204100 |
6 | 1041535213 |
7 | 164642460 |
oct | 53036731 |
9 | 23214230 |
10 | 11288025 |
11 | 640a951 |
12 | 3944509 |
13 | 2452c08 |
14 | 16db9d7 |
15 | ece900 |
hex | ac3dd9 |
11288025 has 48 divisors (see below), whose sum is σ = 23708800. Its totient is φ = 5158080.
The previous prime is 11288023. The next prime is 11288089. The reversal of 11288025 is 52088211.
It is not a de Polignac number, because 11288025 - 21 = 11288023 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 11288025.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11288023) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3531 + ... + 5919.
Almost surely, 211288025 is an apocalyptic number.
11288025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
11288025 is an abundant number, since it is smaller than the sum of its proper divisors (12420775).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11288025 is a wasteful number, since it uses less digits than its factorization.
11288025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2415 (or 2404 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 27.
The square root of 11288025 is about 3359.7656168251. The cubic root of 11288025 is about 224.3224058984.
The spelling of 11288025 in words is "eleven million, two hundred eighty-eight thousand, twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •