Base | Representation |
---|---|
bin | 111010010010100… |
… | …1001000000011000 |
3 | 12001022100200011120 |
4 | 1310211021000120 |
5 | 13001202041042 |
6 | 522025325240 |
7 | 66316550514 |
oct | 16445110030 |
9 | 5038320146 |
10 | 1955893272 |
11 | 914061623 |
12 | 467036820 |
13 | 2522a34c8 |
14 | 147a97144 |
15 | b6a9ddec |
hex | 74949018 |
1955893272 has 16 divisors (see below), whose sum is σ = 4889733240. Its totient is φ = 651964416.
The previous prime is 1955893271. The next prime is 1955893301. The reversal of 1955893272 is 2723985591.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1955893271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40747753 + ... + 40747800.
Almost surely, 21955893272 is an apocalyptic number.
1955893272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1955893272 is an abundant number, since it is smaller than the sum of its proper divisors (2933839968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1955893272 is a wasteful number, since it uses less digits than its factorization.
1955893272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81495562 (or 81495558 counting only the distinct ones).
The product of its digits is 1360800, while the sum is 51.
The square root of 1955893272 is about 44225.4821567838. The cubic root of 1955893272 is about 1250.5902858995.
The spelling of 1955893272 in words is "one billion, nine hundred fifty-five million, eight hundred ninety-three thousand, two hundred seventy-two".
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