Base | Representation |
---|---|
bin | 101010101001001… |
… | …1110001001101110 |
3 | 10200201111112021022 |
4 | 1111102132021232 |
5 | 10412302433304 |
6 | 353553134142 |
7 | 50313332006 |
oct | 12522361156 |
9 | 3621445238 |
10 | 1430905454 |
11 | 6747884a0 |
12 | 33b25a352 |
13 | 19a5ac924 |
14 | d8079006 |
15 | 8594bebe |
hex | 5549e26e |
1430905454 has 16 divisors (see below), whose sum is σ = 2346192000. Its totient is φ = 649103160.
The previous prime is 1430905451. The next prime is 1430905493. The reversal of 1430905454 is 4545090341.
It is a super-2 number, since 2×14309054542 = 4094980836573892232, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1430905451) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54194 + ... + 76149.
It is an arithmetic number, because the mean of its divisors is an integer number (146637000).
Almost surely, 21430905454 is an apocalyptic number.
1430905454 is a deficient number, since it is larger than the sum of its proper divisors (915286546).
1430905454 is a wasteful number, since it uses less digits than its factorization.
1430905454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130855.
The product of its (nonzero) digits is 43200, while the sum is 35.
The square root of 1430905454 is about 37827.3109538598. The cubic root of 1430905454 is about 1126.8609079844.
Adding to 1430905454 its reverse (4545090341), we get a palindrome (5975995795).
The spelling of 1430905454 in words is "one billion, four hundred thirty million, nine hundred five thousand, four hundred fifty-four".
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