Base | Representation |
---|---|
bin | 101001101110101… |
… | …1101000110010010 |
3 | 10121120210001212010 |
4 | 1103131131012102 |
5 | 10331424332130 |
6 | 350535443350 |
7 | 46461522024 |
oct | 12335350622 |
9 | 3546701763 |
10 | 1400230290 |
11 | 659436818 |
12 | 330b26556 |
13 | 19412c544 |
14 | d3d72014 |
15 | 82ddd0b0 |
hex | 5375d192 |
1400230290 has 16 divisors (see below), whose sum is σ = 3360552768. Its totient is φ = 373394736.
The previous prime is 1400230259. The next prime is 1400230339. The reversal of 1400230290 is 920320041.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23337142 + ... + 23337201.
It is an arithmetic number, because the mean of its divisors is an integer number (210034548).
Almost surely, 21400230290 is an apocalyptic number.
1400230290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1400230290 is an abundant number, since it is smaller than the sum of its proper divisors (1960322478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1400230290 is a wasteful number, since it uses less digits than its factorization.
1400230290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46674353.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 1400230290 is about 37419.6511207681. The cubic root of 1400230290 is about 1118.7502774986.
The spelling of 1400230290 in words is "one billion, four hundred million, two hundred thirty thousand, two hundred ninety".
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