Base | Representation |
---|---|
bin | 111011011000110… |
… | …1101111111100100 |
3 | 12010212200221010212 |
4 | 1312301231333210 |
5 | 13040120314212 |
6 | 525423234552 |
7 | 100245023663 |
oct | 16661557744 |
9 | 5125627125 |
10 | 1992744932 |
11 | 932941842 |
12 | 477448a58 |
13 | 259b07019 |
14 | 14c92adda |
15 | b9e2ce22 |
hex | 76c6dfe4 |
1992744932 has 12 divisors (see below), whose sum is σ = 3638925696. Its totient is φ = 953051880.
The previous prime is 1992744931. The next prime is 1992744937. The reversal of 1992744932 is 2394472991.
It is not an unprimeable number, because it can be changed into a prime (1992744931) 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, 10830044 + ... + 10830227.
It is an arithmetic number, because the mean of its divisors is an integer number (303243808).
Almost surely, 21992744932 is an apocalyptic number.
It is an amenable number.
1992744932 is a deficient number, since it is larger than the sum of its proper divisors (1646180764).
1992744932 is a wasteful number, since it uses less digits than its factorization.
1992744932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21660298 (or 21660296 counting only the distinct ones).
The product of its digits is 979776, while the sum is 50.
The square root of 1992744932 is about 44640.1717290604. The cubic root of 1992744932 is about 1258.3957352132.
The spelling of 1992744932 in words is "one billion, nine hundred ninety-two million, seven hundred forty-four thousand, nine hundred thirty-two".
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