Base | Representation |
---|---|
bin | 100100100000100… |
… | …1000100111001110 |
3 | 10011101010011222200 |
4 | 1021001020213032 |
5 | 10002102043230 |
6 | 321320422330 |
7 | 42233422152 |
oct | 11101104716 |
9 | 3141104880 |
10 | 1225034190 |
11 | 579555356 |
12 | 2a23179a6 |
13 | 166a4b103 |
14 | b89a9062 |
15 | 72833160 |
hex | 490489ce |
1225034190 has 48 divisors (see below), whose sum is σ = 3197542608. Its totient is φ = 325398528.
The previous prime is 1225034189. The next prime is 1225034191. The reversal of 1225034190 is 914305221.
It is an interprime number because it is at equal distance from previous prime (1225034189) and next prime (1225034191).
It is a super-2 number, since 2×12250341902 = 3001417533337912200, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1225034191) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3352 + ... + 49611.
It is an arithmetic number, because the mean of its divisors is an integer number (66615471).
Almost surely, 21225034190 is an apocalyptic number.
1225034190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1225034190 is an abundant number, since it is smaller than the sum of its proper divisors (1972508418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1225034190 is a wasteful number, since it uses less digits than its factorization.
1225034190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53233 (or 53230 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 1225034190 is about 35000.4884251634. The cubic root of 1225034190 is about 1069.9974349955.
The spelling of 1225034190 in words is "one billion, two hundred twenty-five million, thirty-four thousand, one hundred ninety".
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