Base | Representation |
---|---|
bin | 101010010101011… |
… | …1001001011100000 |
3 | 10122222222102101001 |
4 | 1110222321023200 |
5 | 10402123433100 |
6 | 352542521344 |
7 | 50126211022 |
oct | 12452711340 |
9 | 3588872331 |
10 | 1420530400 |
11 | 669941573 |
12 | 337896254 |
13 | 1983b9443 |
14 | d6938012 |
15 | 84a9cd6a |
hex | 54ab92e0 |
1420530400 has 36 divisors (see below), whose sum is σ = 3467871792. Its totient is φ = 568211840.
The previous prime is 1420530367. The next prime is 1420530409. The reversal of 1420530400 is 40350241.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420530409) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 887032 + ... + 888631.
It is an arithmetic number, because the mean of its divisors is an integer number (96329772).
Almost surely, 21420530400 is an apocalyptic number.
1420530400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1420530400 is an abundant number, since it is smaller than the sum of its proper divisors (2047341392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420530400 is a wasteful number, since it uses less digits than its factorization.
1420530400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1775683 (or 1775670 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 1420530400 is about 37689.9243830496. The cubic root of 1420530400 is about 1124.1307919718.
Adding to 1420530400 its reverse (40350241), we get a palindrome (1460880641).
The spelling of 1420530400 in words is "one billion, four hundred twenty million, five hundred thirty thousand, four hundred".
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