Base | Representation |
---|---|
bin | 11011000111010… |
… | …11101011001100 |
3 | 120212000001100202 |
4 | 31203223223030 |
5 | 431212121430 |
6 | 34323113032 |
7 | 5431234046 |
oct | 1543535314 |
9 | 525001322 |
10 | 227457740 |
11 | 107437404 |
12 | 64212778 |
13 | 3817c0a3 |
14 | 222cca96 |
15 | 14e7ed45 |
hex | d8ebacc |
227457740 has 48 divisors (see below), whose sum is σ = 504134400. Its totient is φ = 85966272.
The previous prime is 227457731. The next prime is 227457743. The reversal of 227457740 is 47754722.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a junction number, because it is equal to n+sod(n) for n = 227457694 and 227457703.
It is not an unprimeable number, because it can be changed into a prime (227457743) 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, 234737 + ... + 235703.
It is an arithmetic number, because the mean of its divisors is an integer number (10502800).
Almost surely, 2227457740 is an apocalyptic number.
227457740 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 227457740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252067200).
227457740 is an abundant number, since it is smaller than the sum of its proper divisors (276676660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227457740 is a wasteful number, since it uses less digits than its factorization.
227457740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1614 (or 1612 counting only the distinct ones).
The product of its (nonzero) digits is 109760, while the sum is 38.
The square root of 227457740 is about 15081.7021585761. The cubic root of 227457740 is about 610.4267729239.
The spelling of 227457740 in words is "two hundred twenty-seven million, four hundred fifty-seven thousand, seven hundred forty".
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