Base | Representation |
---|---|
bin | 101011011011111… |
… | …0001011100010001 |
3 | 10202120110200122101 |
4 | 1112313301130101 |
5 | 10441102223014 |
6 | 400342240401 |
7 | 51055133314 |
oct | 12667613421 |
9 | 3676420571 |
10 | 1457461009 |
11 | 688776034 |
12 | 348126101 |
13 | 1a2c49b84 |
14 | db7cc97b |
15 | 87e45474 |
hex | 56df1711 |
1457461009 has 4 divisors (see below), whose sum is σ = 1467946480. Its totient is φ = 1446975540.
The previous prime is 1457460959. The next prime is 1457461087. The reversal of 1457461009 is 9001647541.
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 1457461009 - 219 = 1456936721 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1457461609) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5242527 + ... + 5242804.
It is an arithmetic number, because the mean of its divisors is an integer number (366986620).
Almost surely, 21457461009 is an apocalyptic number.
It is an amenable number.
1457461009 is a deficient number, since it is larger than the sum of its proper divisors (10485471).
1457461009 is a wasteful number, since it uses less digits than its factorization.
1457461009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10485470.
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 1457461009 is about 38176.7076762782. The cubic root of 1457461009 is about 1133.7891980319.
The spelling of 1457461009 in words is "one billion, four hundred fifty-seven million, four hundred sixty-one thousand, nine".
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