Base | Representation |
---|---|
bin | 111001011101100… |
… | …0000111011101110 |
3 | 11222101000020211222 |
4 | 1302323000323232 |
5 | 12422041313232 |
6 | 515153143342 |
7 | 65531230625 |
oct | 16273007356 |
9 | 4871006758 |
10 | 1928072942 |
11 | 8aa38a814 |
12 | 45985ab52 |
13 | 2495b2683 |
14 | 1440d46bc |
15 | b4405d12 |
hex | 72ec0eee |
1928072942 has 8 divisors (see below), whose sum is σ = 2892351000. Its totient is φ = 963955944.
The previous prime is 1928072891. The next prime is 1928072959. The reversal of 1928072942 is 2492708291.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 1928072893 and 1928072902.
It is a congruent number.
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, 3692 + ... + 62207.
It is an arithmetic number, because the mean of its divisors is an integer number (361543875).
Almost surely, 21928072942 is an apocalyptic number.
1928072942 is a deficient number, since it is larger than the sum of its proper divisors (964278058).
1928072942 is a wasteful number, since it uses less digits than its factorization.
1928072942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80530.
The product of its (nonzero) digits is 145152, while the sum is 44.
The square root of 1928072942 is about 43909.8273966091. The cubic root of 1928072942 is about 1244.6325463012.
The spelling of 1928072942 in words is "one billion, nine hundred twenty-eight million, seventy-two thousand, nine hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •