Base | Representation |
---|---|
bin | 101000000100010… |
… | …0111010011001001 |
3 | 10110200210101122202 |
4 | 1100020213103021 |
5 | 10223133413101 |
6 | 341223525545 |
7 | 45213340511 |
oct | 12010472311 |
9 | 3420711582 |
10 | 1344435401 |
11 | 62a998241 |
12 | 3162b98b5 |
13 | 1856c560a |
14 | ca7aa841 |
15 | 7d06b36b |
hex | 502274c9 |
1344435401 has 4 divisors (see below), whose sum is σ = 1344651204. Its totient is φ = 1344219600.
The previous prime is 1344435359. The next prime is 1344435403. The reversal of 1344435401 is 1045344431.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1045344431 = 71 ⋅14723161.
It can be written as a sum of positive squares in 2 ways, for example, as 611325625 + 733109776 = 24725^2 + 27076^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1344435401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1344435403) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98270 + ... + 111111.
It is an arithmetic number, because the mean of its divisors is an integer number (336162801).
Almost surely, 21344435401 is an apocalyptic number.
It is an amenable number.
1344435401 is a deficient number, since it is larger than the sum of its proper divisors (215803).
1344435401 is an equidigital number, since it uses as much as digits as its factorization.
1344435401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215802.
The product of its (nonzero) digits is 11520, while the sum is 29.
The square root of 1344435401 is about 36666.5433467623. The cubic root of 1344435401 is about 1103.6888281567.
Adding to 1344435401 its reverse (1045344431), we get a palindrome (2389779832).
The spelling of 1344435401 in words is "one billion, three hundred forty-four million, four hundred thirty-five thousand, four hundred one".
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