Base | Representation |
---|---|
bin | 111001100010111… |
… | …1011001100101101 |
3 | 11222120101120011102 |
4 | 1303011323030231 |
5 | 12423304324122 |
6 | 515334332445 |
7 | 65564442245 |
oct | 16305731455 |
9 | 4876346142 |
10 | 1930933037 |
11 | 900a63630 |
12 | 45a7ba125 |
13 | 24a074437 |
14 | 14463ab25 |
15 | b47bd492 |
hex | 7317b32d |
1930933037 has 4 divisors (see below), whose sum is σ = 2106472416. Its totient is φ = 1755393660.
The previous prime is 1930933033. The next prime is 1930933063. The reversal of 1930933037 is 7303390391.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7303390391 = 11 ⋅663944581.
It is a cyclic number.
It is not a de Polignac number, because 1930933037 - 22 = 1930933033 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1930933033) 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, 87769673 + ... + 87769694.
It is an arithmetic number, because the mean of its divisors is an integer number (526618104).
Almost surely, 21930933037 is an apocalyptic number.
It is an amenable number.
1930933037 is a deficient number, since it is larger than the sum of its proper divisors (175539379).
1930933037 is a wasteful number, since it uses less digits than its factorization.
1930933037 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175539378.
The product of its (nonzero) digits is 45927, while the sum is 38.
The square root of 1930933037 is about 43942.3831511219. The cubic root of 1930933037 is about 1245.2476697427.
The spelling of 1930933037 in words is "one billion, nine hundred thirty million, nine hundred thirty-three thousand, thirty-seven".
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