Base | Representation |
---|---|
bin | 111101001000111… |
… | …001011000100100 |
3 | 2122111010010000020 |
4 | 331020321120210 |
5 | 4100042223442 |
6 | 245441115140 |
7 | 34263444354 |
oct | 7510713044 |
9 | 2574103006 |
10 | 1025742372 |
11 | 487006476 |
12 | 247628ab0 |
13 | 134681265 |
14 | 9a32cb64 |
15 | 600b89ec |
hex | 3d239624 |
1025742372 has 12 divisors (see below), whose sum is σ = 2393398896. Its totient is φ = 341914120.
The previous prime is 1025742359. The next prime is 1025742397. The reversal of 1025742372 is 2732475201.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42739254 + ... + 42739277.
It is an arithmetic number, because the mean of its divisors is an integer number (199449908).
Almost surely, 21025742372 is an apocalyptic number.
1025742372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1025742372 is an abundant number, since it is smaller than the sum of its proper divisors (1367656524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1025742372 is a wasteful number, since it uses less digits than its factorization.
1025742372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85478538 (or 85478536 counting only the distinct ones).
The product of its (nonzero) digits is 23520, while the sum is 33.
The square root of 1025742372 is about 32027.2129914546. The cubic root of 1025742372 is about 1008.5081959670.
The spelling of 1025742372 in words is "one billion, twenty-five million, seven hundred forty-two thousand, three hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •