Base | Representation |
---|---|
bin | 1111001000000… |
… | …11001111110010 |
3 | 22211202201201110 |
4 | 13210003033302 |
5 | 224441002434 |
6 | 20331414150 |
7 | 3100361406 |
oct | 744031762 |
9 | 284681643 |
10 | 126890994 |
11 | 6569909a |
12 | 365b4356 |
13 | 2039a639 |
14 | 12bd1106 |
15 | b2174e9 |
hex | 79033f2 |
126890994 has 8 divisors (see below), whose sum is σ = 253782000. Its totient is φ = 42296996.
The previous prime is 126890993. The next prime is 126890999. The reversal of 126890994 is 499098621.
It is a sphenic number, since it is the product of 3 distinct primes.
126890994 is an admirable number.
It is a super-2 number, since 2×1268909942 = 32202648716616072, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (126890993) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10574244 + ... + 10574255.
It is an arithmetic number, because the mean of its divisors is an integer number (31722750).
Almost surely, 2126890994 is an apocalyptic number.
126890994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126890994 is a wasteful number, since it uses less digits than its factorization.
126890994 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21148504.
The product of its (nonzero) digits is 279936, while the sum is 48.
The square root of 126890994 is about 11264.5902721759. The cubic root of 126890994 is about 502.5087169597.
The spelling of 126890994 in words is "one hundred twenty-six million, eight hundred ninety thousand, nine hundred ninety-four".
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