Base | Representation |
---|---|
bin | 100100100001001… |
… | …1011011000000110 |
3 | 10011101202102000020 |
4 | 1021002123120012 |
5 | 10002143420230 |
6 | 321332000010 |
7 | 42236333406 |
oct | 11102333006 |
9 | 3141672006 |
10 | 1225373190 |
11 | 579767018 |
12 | 2a2460006 |
13 | 166b394c2 |
14 | b8a56806 |
15 | 7289d810 |
hex | 4909b606 |
1225373190 has 32 divisors (see below), whose sum is σ = 3003471360. Its totient is φ = 319813344.
The previous prime is 1225373189. The next prime is 1225373207. The reversal of 1225373190 is 913735221.
It is a super-2 number, since 2×12253731902 = 3003078909541552200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433120 + ... + 435939.
It is an arithmetic number, because the mean of its divisors is an integer number (93858480).
Almost surely, 21225373190 is an apocalyptic number.
1225373190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1225373190 is an abundant number, since it is smaller than the sum of its proper divisors (1778098170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1225373190 is a wasteful number, since it uses less digits than its factorization.
1225373190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 869116.
The product of its (nonzero) digits is 11340, while the sum is 33.
The square root of 1225373190 is about 35005.3308797389. The cubic root of 1225373190 is about 1070.0961249421.
The spelling of 1225373190 in words is "one billion, two hundred twenty-five million, three hundred seventy-three thousand, one hundred ninety".
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