Base | Representation |
---|---|
bin | 101001110000000… |
… | …0001110101000110 |
3 | 10121122001100102111 |
4 | 1103200001311012 |
5 | 10332112430110 |
6 | 351002131234 |
7 | 46500332140 |
oct | 12340016506 |
9 | 3548040374 |
10 | 1400905030 |
11 | 659857758 |
12 | 3311b0b1a |
13 | 1943076b5 |
14 | d40a9c90 |
15 | 82ec2e8a |
hex | 53801d46 |
1400905030 has 64 divisors (see below), whose sum is σ = 3044874240. Its totient is φ = 453849984.
The previous prime is 1400905013. The next prime is 1400905031. The reversal of 1400905030 is 305090041.
It is a junction number, because it is equal to n+sod(n) for n = 1400904992 and 1400905010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1400905031) 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, 88069 + ... + 102751.
It is an arithmetic number, because the mean of its divisors is an integer number (47576160).
Almost surely, 21400905030 is an apocalyptic number.
1400905030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1400905030 is an abundant number, since it is smaller than the sum of its proper divisors (1643969210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1400905030 is a wasteful number, since it uses less digits than its factorization.
1400905030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14773.
The product of its (nonzero) digits is 540, while the sum is 22.
The square root of 1400905030 is about 37428.6658859222. The cubic root of 1400905030 is about 1118.9299489781.
Adding to 1400905030 its reverse (305090041), we get a palindrome (1705995071).
The spelling of 1400905030 in words is "one billion, four hundred million, nine hundred five thousand, thirty".
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