Base | Representation |
---|---|
bin | 111010111001110011001 |
3 | 10122001122120 |
4 | 13113032121 |
5 | 443231022 |
6 | 105211453 |
7 | 22256136 |
oct | 7271631 |
9 | 3561576 |
10 | 1930137 |
11 | 10a9160 |
12 | 790b89 |
13 | 5276c1 |
14 | 38358d |
15 | 281d5c |
hex | 1d7399 |
1930137 has 16 divisors (see below), whose sum is σ = 2930688. Its totient is φ = 1118480.
The previous prime is 1930133. The next prime is 1930139. The reversal of 1930137 is 7310391.
It is not a de Polignac number, because 1930137 - 22 = 1930133 is a prime.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
1930137 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (1930133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513 + ... + 2030.
It is an arithmetic number, because the mean of its divisors is an integer number (183168).
21930137 is an apocalyptic number.
It is an amenable number.
1930137 is a deficient number, since it is larger than the sum of its proper divisors (1000551).
1930137 is a wasteful number, since it uses less digits than its factorization.
1930137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2580.
The product of its (nonzero) digits is 567, while the sum is 24.
The square root of 1930137 is about 1389.2937054489. The cubic root of 1930137 is about 124.5076526320.
The spelling of 1930137 in words is "one million, nine hundred thirty thousand, one hundred thirty-seven".
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