Base | Representation |
---|---|
bin | 101000010111110… |
… | …0010000010000101 |
3 | 10111101222201020020 |
4 | 1100233202002011 |
5 | 10233241344240 |
6 | 342230325353 |
7 | 45366141210 |
oct | 12057420205 |
9 | 3441881206 |
10 | 1354637445 |
11 | 635726187 |
12 | 3197b9859 |
13 | 187858125 |
14 | cbca4777 |
15 | 7ddd40d0 |
hex | 50be2085 |
1354637445 has 32 divisors (see below), whose sum is σ = 2483367168. Its totient is φ = 617683968.
The previous prime is 1354637443. The next prime is 1354637447. The reversal of 1354637445 is 5447364531.
It is an interprime number because it is at equal distance from previous prime (1354637443) and next prime (1354637447).
It is not a de Polignac number, because 1354637445 - 21 = 1354637443 is a prime.
It is a super-2 number, since 2×13546374452 = 3670085214792256050, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1354637397 and 1354637406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1354637443) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25437 + ... + 57933.
It is an arithmetic number, because the mean of its divisors is an integer number (77605224).
Almost surely, 21354637445 is an apocalyptic number.
1354637445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1354637445 is a deficient number, since it is larger than the sum of its proper divisors (1128729723).
1354637445 is a wasteful number, since it uses less digits than its factorization.
1354637445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32909.
The product of its digits is 604800, while the sum is 42.
The square root of 1354637445 is about 36805.3996717873. The cubic root of 1354637445 is about 1106.4735213057.
The spelling of 1354637445 in words is "one billion, three hundred fifty-four million, six hundred thirty-seven thousand, four hundred forty-five".
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