Base | Representation |
---|---|
bin | 101001110110100… |
… | …0100011001110010 |
3 | 10121212111000121100 |
4 | 1103231010121302 |
5 | 10334001322232 |
6 | 351203305230 |
7 | 46541360304 |
oct | 12355043162 |
9 | 3555430540 |
10 | 1404323442 |
11 | 660781a95 |
12 | 33237b216 |
13 | 194c33622 |
14 | d4719974 |
15 | 8344ac7c |
hex | 53b44672 |
1404323442 has 12 divisors (see below), whose sum is σ = 3042700830. Its totient is φ = 468107808.
The previous prime is 1404323423. The next prime is 1404323447. The reversal of 1404323442 is 2443234041.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 1021377681 + 382945761 = 31959^2 + 19569^2 .
It is not an unprimeable number, because it can be changed into a prime (1404323447) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39008967 + ... + 39009002.
Almost surely, 21404323442 is an apocalyptic number.
1404323442 is an abundant number, since it is smaller than the sum of its proper divisors (1638377388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1404323442 is a wasteful number, since it uses less digits than its factorization.
1404323442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78017977 (or 78017974 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 27.
The square root of 1404323442 is about 37474.3037560406. The cubic root of 1404323442 is about 1119.8393269725.
Adding to 1404323442 its reverse (2443234041), we get a palindrome (3847557483).
The spelling of 1404323442 in words is "one billion, four hundred four million, three hundred twenty-three thousand, four hundred forty-two".
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