Base | Representation |
---|---|
bin | 11011000100100… |
… | …01111001010000 |
3 | 120211022100220202 |
4 | 31202101321100 |
5 | 431113340000 |
6 | 34311154332 |
7 | 5425142654 |
oct | 1542217120 |
9 | 524270822 |
10 | 227090000 |
11 | 107206095 |
12 | 640759a8 |
13 | 380808a7 |
14 | 22234a64 |
15 | 14e0add5 |
hex | d891e50 |
227090000 has 50 divisors (see below), whose sum is σ = 549831810. Its totient is φ = 90832000.
The previous prime is 227089963. The next prime is 227090027. The reversal of 227090000 is 90722.
It can be written as a sum of positive squares in 5 ways, for example, as 168169024 + 58920976 = 12968^2 + 7676^2 .
It is a tau number, because it is divible by the number of its divisors (50).
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1355 + ... + 21354.
Almost surely, 2227090000 is an apocalyptic number.
227090000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 227090000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274915905).
227090000 is an abundant number, since it is smaller than the sum of its proper divisors (322741810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227090000 is an equidigital number, since it uses as much as digits as its factorization.
227090000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22737 (or 22716 counting only the distinct ones).
The product of its (nonzero) digits is 252, while the sum is 20.
The square root of 227090000 is about 15069.5056322362. The cubic root of 227090000 is about 610.0976283766.
The spelling of 227090000 in words is "two hundred twenty-seven million, ninety thousand".
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