Base | Representation |
---|---|
bin | 111010000001110… |
… | …0001110101011010 |
3 | 12000200210000110220 |
4 | 1310003201311122 |
5 | 12441423111244 |
6 | 521112420510 |
7 | 66151632060 |
oct | 16403416532 |
9 | 5020700426 |
10 | 1947082074 |
11 | 90a093643 |
12 | 4640a7736 |
13 | 250509a92 |
14 | 146842030 |
15 | b5e0d319 |
hex | 740e1d5a |
1947082074 has 32 divisors (see below), whose sum is σ = 4455632256. Its totient is φ = 555664320.
The previous prime is 1947082037. The next prime is 1947082079. The reversal of 1947082074 is 4702807491.
It is a happy number.
It is a super-2 number, since 2×19470820742 = 7582257205784282952, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (1947082079) 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, 10404 + ... + 63264.
It is an arithmetic number, because the mean of its divisors is an integer number (139238508).
Almost surely, 21947082074 is an apocalyptic number.
1947082074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
1947082074 is an abundant number, since it is smaller than the sum of its proper divisors (2508550182).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1947082074 is a wasteful number, since it uses less digits than its factorization.
1947082074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53750.
The product of its (nonzero) digits is 112896, while the sum is 42.
The square root of 1947082074 is about 44125.7529567485. The cubic root of 1947082074 is about 1248.7095106215.
The spelling of 1947082074 in words is "one billion, nine hundred forty-seven million, eighty-two thousand, seventy-four".
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