Base | Representation |
---|---|
bin | 1000001011001101… |
… | …1010000101101000 |
3 | 12122221100212122200 |
4 | 2002303122011220 |
5 | 13443243424110 |
6 | 1001432020200 |
7 | 105245030550 |
oct | 20263320550 |
9 | 5587325580 |
10 | 2194514280 |
11 | a26823072 |
12 | 512b31660 |
13 | 28c86077a |
14 | 16b650160 |
15 | cc9d66c0 |
hex | 82cda168 |
2194514280 has 192 divisors, whose sum is σ = 8216432640. Its totient is φ = 497581056.
The previous prime is 2194514279. The next prime is 2194514281. The reversal of 2194514280 is 824154912.
It is an interprime number because it is at equal distance from previous prime (2194514279) and next prime (2194514281).
It is a super-4 number, since 4×21945142804 (a number of 38 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (2194514281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 316612 + ... + 323468.
It is an arithmetic number, because the mean of its divisors is an integer number (42793920).
Almost surely, 22194514280 is an apocalyptic number.
2194514280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2194514280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4108216320).
2194514280 is an abundant number, since it is smaller than the sum of its proper divisors (6021918360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2194514280 is a wasteful number, since it uses less digits than its factorization.
2194514280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7008 (or 7001 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 2194514280 is about 46845.6431271895. The cubic root of 2194514280 is about 1299.5095349013.
The spelling of 2194514280 in words is "two billion, one hundred ninety-four million, five hundred fourteen thousand, two hundred eighty".
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