Base | Representation |
---|---|
bin | 11010111010011… |
… | …11111011111100 |
3 | 120201211100221112 |
4 | 31131033323330 |
5 | 430244140020 |
6 | 34223021152 |
7 | 5411011151 |
oct | 1535177374 |
9 | 521740845 |
10 | 225771260 |
11 | 106495320 |
12 | 6373a7b8 |
13 | 37a0b580 |
14 | 21db0228 |
15 | 14c4a2c5 |
hex | d74fefc |
225771260 has 48 divisors (see below), whose sum is σ = 557014752. Its totient is φ = 75782400.
The previous prime is 225771257. The next prime is 225771269. The reversal of 225771260 is 62177522.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (225771269) 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, 36611 + ... + 42330.
It is an arithmetic number, because the mean of its divisors is an integer number (11604474).
Almost surely, 2225771260 is an apocalyptic number.
225771260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
225771260 is an abundant number, since it is smaller than the sum of its proper divisors (331243492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
225771260 is a wasteful number, since it uses less digits than its factorization.
225771260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78974 (or 78972 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 32.
The square root of 225771260 is about 15025.6866731607. The cubic root of 225771260 is about 608.9143639085.
The spelling of 225771260 in words is "two hundred twenty-five million, seven hundred seventy-one thousand, two hundred sixty".
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