Base | Representation |
---|---|
bin | 101000111110011… |
… | …0111010000110100 |
3 | 10112211010122020210 |
4 | 1101330313100310 |
5 | 10303434100432 |
6 | 344233025420 |
7 | 46033352325 |
oct | 12174672064 |
9 | 3484118223 |
10 | 1374909492 |
11 | 646111940 |
12 | 324555270 |
13 | 18bb05318 |
14 | d086044c |
15 | 80a8a8cc |
hex | 51f37434 |
1374909492 has 96 divisors (see below), whose sum is σ = 3615131520. Its totient is φ = 403038720.
The previous prime is 1374909491. The next prime is 1374909593. The reversal of 1374909492 is 2949094731.
It is a happy number.
It is a super-2 number, since 2×13749094922 = 3780752222383396128, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1374909491) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 961434 + ... + 962862.
It is an arithmetic number, because the mean of its divisors is an integer number (37657620).
Almost surely, 21374909492 is an apocalyptic number.
1374909492 is a gapful number since it is divisible by the number (12) 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 1374909492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1807565760).
1374909492 is an abundant number, since it is smaller than the sum of its proper divisors (2240222028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1374909492 is a wasteful number, since it uses less digits than its factorization.
1374909492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1681 (or 1679 counting only the distinct ones).
The product of its (nonzero) digits is 489888, while the sum is 48.
The square root of 1374909492 is about 37079.7720057716. The cubic root of 1374909492 is about 1111.9656462051.
The spelling of 1374909492 in words is "one billion, three hundred seventy-four million, nine hundred nine thousand, four hundred ninety-two".
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