Base | Representation |
---|---|
bin | 111011011000010… |
… | …1000000100101101 |
3 | 12010212011101021210 |
4 | 1312300220010231 |
5 | 13040032133131 |
6 | 525413145033 |
7 | 100242422013 |
oct | 16660500455 |
9 | 5125141253 |
10 | 1992458541 |
11 | 932766657 |
12 | 47732b179 |
13 | 259a36868 |
14 | 14c8948b3 |
15 | b9dc3146 |
hex | 76c2812d |
1992458541 has 16 divisors (see below), whose sum is σ = 2816856000. Its totient is φ = 1249204608.
The previous prime is 1992458539. The next prime is 1992458581. The reversal of 1992458541 is 1458542991.
It is not a de Polignac number, because 1992458541 - 21 = 1992458539 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1992458581) 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, 119766 + ... + 135383.
It is an arithmetic number, because the mean of its divisors is an integer number (176053500).
Almost surely, 21992458541 is an apocalyptic number.
It is an amenable number.
1992458541 is a deficient number, since it is larger than the sum of its proper divisors (824397459).
1992458541 is a wasteful number, since it uses less digits than its factorization.
1992458541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255308.
The product of its digits is 518400, while the sum is 48.
The square root of 1992458541 is about 44636.9638416414. The cubic root of 1992458541 is about 1258.3354481064.
The spelling of 1992458541 in words is "one billion, nine hundred ninety-two million, four hundred fifty-eight thousand, five hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •