Base | Representation |
---|---|
bin | 101001110110001… |
… | …0011000010001110 |
3 | 10121212002202020000 |
4 | 1103230103002032 |
5 | 10333423334410 |
6 | 351155105130 |
7 | 46536555621 |
oct | 12354230216 |
9 | 3555082200 |
10 | 1404121230 |
11 | 660654076 |
12 | 3322a21a6 |
13 | 194b92585 |
14 | d46a5db8 |
15 | 8340adc0 |
hex | 53b1308e |
1404121230 has 80 divisors (see below), whose sum is σ = 3787106400. Its totient is φ = 373284288.
The previous prime is 1404121151. The next prime is 1404121247. The reversal of 1404121230 is 321214041.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 280207 + ... + 285173.
It is an arithmetic number, because the mean of its divisors is an integer number (47338830).
Almost surely, 21404121230 is an apocalyptic number.
1404121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1404121230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1893553200).
1404121230 is an abundant number, since it is smaller than the sum of its proper divisors (2382985170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1404121230 is a wasteful number, since it uses less digits than its factorization.
1404121230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5335 (or 5326 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 1404121230 is about 37471.6056501453. The cubic root of 1404121230 is about 1119.7855749159.
Adding to 1404121230 its reverse (321214041), we get a palindrome (1725335271).
The spelling of 1404121230 in words is "one billion, four hundred four million, one hundred twenty-one thousand, two hundred thirty".
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