Base | Representation |
---|---|
bin | 1000011001011100… |
… | …1000110010010000 |
3 | 12211002200211212020 |
4 | 2012113020302100 |
5 | 14104034242430 |
6 | 1011403331440 |
7 | 106601326230 |
oct | 20627106220 |
9 | 5732624766 |
10 | 2254212240 |
11 | a57498025 |
12 | 52ab20b80 |
13 | 29c0330c7 |
14 | 17554dcc0 |
15 | d2d79b10 |
hex | 865c8c90 |
2254212240 has 160 divisors (see below), whose sum is σ = 8456244480. Its totient is φ = 484933632.
The previous prime is 2254212227. The next prime is 2254212241. The reversal of 2254212240 is 422124522.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 2254212240.
It is not an unprimeable number, because it can be changed into a prime (2254212241) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10905 + ... + 68024.
It is an arithmetic number, because the mean of its divisors is an integer number (52851528).
Almost surely, 22254212240 is an apocalyptic number.
2254212240 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 2254212240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4228122240).
2254212240 is an abundant number, since it is smaller than the sum of its proper divisors (6202032240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2254212240 is a wasteful number, since it uses less digits than its factorization.
2254212240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78969 (or 78963 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 24.
The square root of 2254212240 is about 47478.5450493167. The cubic root of 2254212240 is about 1311.1879052554.
Adding to 2254212240 its reverse (422124522), we get a palindrome (2676336762).
The spelling of 2254212240 in words is "two billion, two hundred fifty-four million, two hundred twelve thousand, two hundred forty".
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