Base | Representation |
---|---|
bin | 101010010101011… |
… | …0111110111101001 |
3 | 10122222222011000021 |
4 | 1110222313313221 |
5 | 10402123300113 |
6 | 352542440441 |
7 | 50126156254 |
oct | 12452676751 |
9 | 3588864007 |
10 | 1420525033 |
11 | 669938534 |
12 | 337893121 |
13 | 1983b6b75 |
14 | d693609b |
15 | 84a9b48d |
hex | 54ab7de9 |
1420525033 has 4 divisors (see below), whose sum is σ = 1422085248. Its totient is φ = 1418964820.
The previous prime is 1420525021. The next prime is 1420525079. The reversal of 1420525033 is 3305250241.
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 a cyclic number.
It is not a de Polignac number, because 1420525033 - 213 = 1420516841 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1420524989 and 1420525007.
It is not an unprimeable number, because it can be changed into a prime (1420525003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778741 + ... + 780562.
It is an arithmetic number, because the mean of its divisors is an integer number (355521312).
Almost surely, 21420525033 is an apocalyptic number.
It is an amenable number.
1420525033 is a deficient number, since it is larger than the sum of its proper divisors (1560215).
1420525033 is an equidigital number, since it uses as much as digits as its factorization.
1420525033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1560214.
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 1420525033 is about 37689.8531835824. The cubic root of 1420525033 is about 1124.1293762524.
Adding to 1420525033 its reverse (3305250241), we get a palindrome (4725775274).
The spelling of 1420525033 in words is "one billion, four hundred twenty million, five hundred twenty-five thousand, thirty-three".
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