Base | Representation |
---|---|
bin | 101010101000010… |
… | …0011010011000001 |
3 | 10200200112221222210 |
4 | 1111100203103001 |
5 | 10412140332431 |
6 | 353534252333 |
7 | 50306134632 |
oct | 12520432301 |
9 | 3620487883 |
10 | 1430402241 |
11 | 674474414 |
12 | 33b0570a9 |
13 | 19a464878 |
14 | d7d87889 |
15 | 8589cd46 |
hex | 554234c1 |
1430402241 has 4 divisors (see below), whose sum is σ = 1907202992. Its totient is φ = 953601492.
The previous prime is 1430402221. The next prime is 1430402263. The reversal of 1430402241 is 1422040341.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 1430402241 - 25 = 1430402209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1430402221) 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, 238400371 + ... + 238400376.
It is an arithmetic number, because the mean of its divisors is an integer number (476800748).
Almost surely, 21430402241 is an apocalyptic number.
It is an amenable number.
1430402241 is a deficient number, since it is larger than the sum of its proper divisors (476800751).
1430402241 is an equidigital number, since it uses as much as digits as its factorization.
1430402241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 476800750.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 1430402241 is about 37820.6589181098. The cubic root of 1430402241 is about 1126.7287964038.
Adding to 1430402241 its reverse (1422040341), we get a palindrome (2852442582).
The spelling of 1430402241 in words is "one billion, four hundred thirty million, four hundred two thousand, two hundred forty-one".
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