Base | Representation |
---|---|
bin | 101010100101101… |
… | …0001111100100110 |
3 | 10200120221202112111 |
4 | 1111023101330212 |
5 | 10411312123304 |
6 | 353444511234 |
7 | 50261321251 |
oct | 12513217446 |
9 | 3616852474 |
10 | 1429020454 |
11 | 673710244 |
12 | 33a6ab51a |
13 | 19a09c944 |
14 | d7b08098 |
15 | 856c8704 |
hex | 552d1f26 |
1429020454 has 12 divisors (see below), whose sum is σ = 2214910332. Its totient is φ = 691460580.
The previous prime is 1429020433. The next prime is 1429020469. The reversal of 1429020454 is 4540209241.
It is a super-2 number, since 2×14290204542 = 4084198915900732232, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 369832 + ... + 373675.
It is an arithmetic number, because the mean of its divisors is an integer number (184575861).
Almost surely, 21429020454 is an apocalyptic number.
1429020454 is a deficient number, since it is larger than the sum of its proper divisors (785889878).
1429020454 is an equidigital number, since it uses as much as digits as its factorization.
1429020454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 743571 (or 743540 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 31.
The square root of 1429020454 is about 37802.3868823121. The cubic root of 1429020454 is about 1126.3658680013.
Adding to 1429020454 its reverse (4540209241), we get a palindrome (5969229695).
The spelling of 1429020454 in words is "one billion, four hundred twenty-nine million, twenty thousand, four hundred fifty-four".
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