Base | Representation |
---|---|
bin | 101010010101011… |
… | …0011110100100110 |
3 | 10122222221022021020 |
4 | 1110222303310212 |
5 | 10402122232304 |
6 | 352542232010 |
7 | 50126060031 |
oct | 12452636446 |
9 | 3588838236 |
10 | 1420508454 |
11 | 669927032 |
12 | 337885606 |
13 | 1983ac461 |
14 | d6930018 |
15 | 84a965d9 |
hex | 54ab3d26 |
1420508454 has 8 divisors (see below), whose sum is σ = 2841016920. Its totient is φ = 473502816.
The previous prime is 1420508437. The next prime is 1420508459. The reversal of 1420508454 is 4548050241.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
1420508454 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420508459) 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, 118375699 + ... + 118375710.
It is an arithmetic number, because the mean of its divisors is an integer number (355127115).
Almost surely, 21420508454 is an apocalyptic number.
1420508454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420508454 is a wasteful number, since it uses less digits than its factorization.
1420508454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 236751414.
The product of its (nonzero) digits is 25600, while the sum is 33.
The square root of 1420508454 is about 37689.6332431081. The cubic root of 1420508454 is about 1124.1250029835.
Adding to 1420508454 its reverse (4548050241), we get a palindrome (5968558695).
The spelling of 1420508454 in words is "one billion, four hundred twenty million, five hundred eight thousand, four hundred fifty-four".
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