Base | Representation |
---|---|
bin | 111100111000101110100 |
3 | 10202100210111 |
4 | 13213011310 |
5 | 1002320444 |
6 | 110432404 |
7 | 22646455 |
oct | 7470564 |
9 | 3670714 |
10 | 1995124 |
11 | 1142a6a |
12 | 802704 |
13 | 54b161 |
14 | 39d12c |
15 | 296234 |
hex | 1e7174 |
1995124 has 6 divisors (see below), whose sum is σ = 3491474. Its totient is φ = 997560.
The previous prime is 1995121. The next prime is 1995139. The reversal of 1995124 is 4215991.
It can be written as a sum of positive squares in only one way, i.e., 1774224 + 220900 = 1332^2 + 470^2 .
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1995121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249387 + ... + 249394.
21995124 is an apocalyptic number.
It is an amenable number.
1995124 is a deficient number, since it is larger than the sum of its proper divisors (1496350).
1995124 is a wasteful number, since it uses less digits than its factorization.
1995124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 498785 (or 498783 counting only the distinct ones).
The product of its digits is 3240, while the sum is 31.
The square root of 1995124 is about 1412.4885840247. The cubic root of 1995124 is about 125.8896320840.
The spelling of 1995124 in words is "one million, nine hundred ninety-five thousand, one hundred twenty-four".
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