Base | Representation |
---|---|
bin | 101011011011100… |
… | …0110011010110110 |
3 | 10202120010201220202 |
4 | 1112313012122312 |
5 | 10441031103130 |
6 | 400334400502 |
7 | 51053500463 |
oct | 12667063266 |
9 | 3676121822 |
10 | 1457284790 |
11 | 6886656a5 |
12 | 348060132 |
13 | 1a2bb78c0 |
14 | db78466a |
15 | 87e0d145 |
hex | 56dc66b6 |
1457284790 has 32 divisors (see below), whose sum is σ = 2826623520. Its totient is φ = 537744384.
The previous prime is 1457284783. The next prime is 1457284811. The reversal of 1457284790 is 974827541.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343301 + ... + 347519.
It is an arithmetic number, because the mean of its divisors is an integer number (88331985).
Almost surely, 21457284790 is an apocalyptic number.
1457284790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1457284790 is a deficient number, since it is larger than the sum of its proper divisors (1369338730).
1457284790 is a wasteful number, since it uses less digits than its factorization.
1457284790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6896.
The product of its (nonzero) digits is 564480, while the sum is 47.
The square root of 1457284790 is about 38174.3996678402. The cubic root of 1457284790 is about 1133.7435013832.
The spelling of 1457284790 in words is "one billion, four hundred fifty-seven million, two hundred eighty-four thousand, seven hundred ninety".
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