Base | Representation |
---|---|
bin | 101100011011110… |
… | …0001111101010011 |
3 | 10211220111012200011 |
4 | 1120313201331103 |
5 | 11023140431034 |
6 | 403540135351 |
7 | 51642611614 |
oct | 13067417523 |
9 | 3756435604 |
10 | 1490952019 |
11 | 6a5670357 |
12 | 357397557 |
13 | 1a9b74b3b |
14 | 102029c0b |
15 | 8ad5d864 |
hex | 58de1f53 |
1490952019 has 4 divisors (see below), whose sum is σ = 1491653800. Its totient is φ = 1490250240.
The previous prime is 1490951981. The next prime is 1490952041. The reversal of 1490952019 is 9102590941.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1490952019 - 215 = 1490919251 is a prime.
It is a super-2 number, since 2×14909520192 = 4445875845920352722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1490952049) 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, 347694 + ... + 351955.
It is an arithmetic number, because the mean of its divisors is an integer number (372913450).
Almost surely, 21490952019 is an apocalyptic number.
1490952019 is a deficient number, since it is larger than the sum of its proper divisors (701781).
1490952019 is an equidigital number, since it uses as much as digits as its factorization.
1490952019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 701780.
The product of its (nonzero) digits is 29160, while the sum is 40.
The square root of 1490952019 is about 38612.8478488702. The cubic root of 1490952019 is about 1142.4079652364.
The spelling of 1490952019 in words is "one billion, four hundred ninety million, nine hundred fifty-two thousand, nineteen".
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