Base | Representation |
---|---|
bin | 1000011001100101… |
… | …0100011011110000 |
3 | 12211010202220111102 |
4 | 2012121110123300 |
5 | 14104211043430 |
6 | 1011423503532 |
7 | 106606230662 |
oct | 20631243360 |
9 | 5733686442 |
10 | 2254784240 |
11 | a57848855 |
12 | 52b157ba8 |
13 | 29c1a3577 |
14 | 17565c532 |
15 | d2e3e345 |
hex | 866546f0 |
2254784240 has 40 divisors (see below), whose sum is σ = 5271693840. Its totient is φ = 896869376.
The previous prime is 2254784237. The next prime is 2254784243. The reversal of 2254784240 is 424874522.
It is an interprime number because it is at equal distance from previous prime (2254784237) and next prime (2254784243).
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 2254784194 and 2254784203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2254784243) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64409 + ... + 93048.
It is an arithmetic number, because the mean of its divisors is an integer number (131792346).
Almost surely, 22254784240 is an apocalyptic number.
2254784240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2254784240 is an abundant number, since it is smaller than the sum of its proper divisors (3016909600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2254784240 is a wasteful number, since it uses less digits than its factorization.
2254784240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157649 (or 157643 counting only the distinct ones).
The product of its (nonzero) digits is 143360, while the sum is 38.
The square root of 2254784240 is about 47484.5684407050. The cubic root of 2254784240 is about 1311.2987992876.
The spelling of 2254784240 in words is "two billion, two hundred fifty-four million, seven hundred eighty-four thousand, two hundred forty".
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