Base | Representation |
---|---|
bin | 101011010110000… |
… | …0110010010001001 |
3 | 10202100201012121201 |
4 | 1112230012102021 |
5 | 10434311310044 |
6 | 400152504201 |
7 | 51020126062 |
oct | 12654062211 |
9 | 3670635551 |
10 | 1454400649 |
11 | 686a75809 |
12 | 3470ab061 |
13 | 1a2417c00 |
14 | db233569 |
15 | 87a3d7d4 |
hex | 56b06489 |
1454400649 has 12 divisors (see below), whose sum is σ = 1576388352. Its totient is φ = 1341241200.
The previous prime is 1454400641. The next prime is 1454400659. The reversal of 1454400649 is 9460044541.
It is not a de Polignac number, because 1454400649 - 23 = 1454400641 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1454400641) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204544 + ... + 211534.
It is an arithmetic number, because the mean of its divisors is an integer number (131365696).
Almost surely, 21454400649 is an apocalyptic number.
It is an amenable number.
1454400649 is a deficient number, since it is larger than the sum of its proper divisors (121987703).
1454400649 is a wasteful number, since it uses less digits than its factorization.
1454400649 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8248 (or 8235 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 37.
The square root of 1454400649 is about 38136.6051058560. The cubic root of 1454400649 is about 1132.9950693970.
The spelling of 1454400649 in words is "one billion, four hundred fifty-four million, four hundred thousand, six hundred forty-nine".
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