Base | Representation |
---|---|
bin | 10110101001110… |
… | …10010010000111 |
3 | 111020120120111120 |
4 | 23110322102013 |
5 | 342121442413 |
6 | 30505005023 |
7 | 4465144122 |
oct | 1324722207 |
9 | 436516446 |
10 | 190030983 |
11 | 982a40aa |
12 | 53783773 |
13 | 304a688c |
14 | 1b3493b9 |
15 | 11a3a723 |
hex | b53a487 |
190030983 has 16 divisors (see below), whose sum is σ = 256488960. Its totient is φ = 125136864.
The previous prime is 190030969. The next prime is 190030993. The reversal of 190030983 is 389030091.
190030983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 190030983 - 28 = 190030727 is a prime.
It is a super-2 number, since 2×1900309832 = 72223548999892578, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190030903) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226078 + ... + 226916.
It is an arithmetic number, because the mean of its divisors is an integer number (16030560).
Almost surely, 2190030983 is an apocalyptic number.
190030983 is a deficient number, since it is larger than the sum of its proper divisors (66457977).
190030983 is a wasteful number, since it uses less digits than its factorization.
190030983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1678.
The product of its (nonzero) digits is 5832, while the sum is 33.
The square root of 190030983 is about 13785.1725778098. The cubic root of 190030983 is about 574.9209549817.
The spelling of 190030983 in words is "one hundred ninety million, thirty thousand, nine hundred eighty-three".
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