Base | Representation |
---|---|
bin | 101010101110011000000 |
3 | 2122010102212 |
4 | 11111303000 |
5 | 324300000 |
6 | 50001252 |
7 | 14620430 |
oct | 5256300 |
9 | 2563385 |
10 | 1400000 |
11 | 876928 |
12 | 576228 |
13 | 3a0304 |
14 | 2862c0 |
15 | 1c9c35 |
hex | 155cc0 |
1400000 has 84 divisors (see below), whose sum is σ = 3968496. Its totient is φ = 480000.
The previous prime is 1399999. The next prime is 1400017. The reversal of 1400000 is 41.
1400000 is nontrivially palindromic in base 3.
It is a Harshad number since it is a multiple of its sum of digits (5).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199997 + ... + 200003.
It is an arithmetic number, because the mean of its divisors is an integer number (47244).
21400000 is an apocalyptic number.
1400000 is a gapful number since it is divisible by the number (10) 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 1400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1984248).
1400000 is an abundant number, since it is smaller than the sum of its proper divisors (2568496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1400000 is an frugal number, since it uses more digits than its factorization.
1400000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44 (or 14 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 5.
The square root of 1400000 is about 1183.2159566199. The cubic root of 1400000 is about 111.8688942081.
Adding to 1400000 its reverse (41), we get a palindrome (1400041).
The spelling of 1400000 in words is "one million, four hundred thousand".
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