Base | Representation |
---|---|
bin | 11010111000101… |
… | …01010010101110 |
3 | 120201101011110000 |
4 | 31130111102232 |
5 | 430213443204 |
6 | 34213525130 |
7 | 5405660640 |
oct | 1534252256 |
9 | 521334400 |
10 | 225531054 |
11 | 106340901 |
12 | 636437a6 |
13 | 37956138 |
14 | 21d4a890 |
15 | 14bee039 |
hex | d7154ae |
225531054 has 80 divisors (see below), whose sum is σ = 602731008. Its totient is φ = 61628688.
The previous prime is 225531043. The next prime is 225531101. The reversal of 225531054 is 450135522.
It is a happy number.
225531054 is a `hidden beast` number, since 2 + 2 + 553 + 105 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21759 + ... + 30405.
Almost surely, 2225531054 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 225531054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301365504).
225531054 is an abundant number, since it is smaller than the sum of its proper divisors (377199954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
225531054 is a wasteful number, since it uses less digits than its factorization.
225531054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8691 (or 8682 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 225531054 is about 15017.6913671842. The cubic root of 225531054 is about 608.6983387946.
Adding to 225531054 its reverse (450135522), we get a palindrome (675666576).
The spelling of 225531054 in words is "two hundred twenty-five million, five hundred thirty-one thousand, fifty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.025 sec. • engine limits •