Base | Representation |
---|---|
bin | 111111111010111… |
… | …001001111001101 |
3 | 2202201220201220122 |
4 | 333322321033031 |
5 | 4144013402110 |
6 | 254225154325 |
7 | 35401164353 |
oct | 7772711715 |
9 | 2681821818 |
10 | 1072403405 |
11 | 500386607 |
12 | 25b18b9a5 |
13 | 14123a938 |
14 | a25d77d3 |
15 | 64234255 |
hex | 3feb93cd |
1072403405 has 16 divisors (see below), whose sum is σ = 1343796480. Its totient is φ = 820034688.
The previous prime is 1072403399. The next prime is 1072403419. The reversal of 1072403405 is 5043042701.
It is a cyclic number.
It is not a de Polignac number, because 1072403405 - 26 = 1072403341 is a prime.
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, 226856 + ... + 231534.
It is an arithmetic number, because the mean of its divisors is an integer number (83987280).
Almost surely, 21072403405 is an apocalyptic number.
It is an amenable number.
1072403405 is a deficient number, since it is larger than the sum of its proper divisors (271393075).
1072403405 is a wasteful number, since it uses less digits than its factorization.
1072403405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6700.
The product of its (nonzero) digits is 3360, while the sum is 26.
The square root of 1072403405 is about 32747.5709786237. The cubic root of 1072403405 is about 1023.5743511523.
The spelling of 1072403405 in words is "one billion, seventy-two million, four hundred three thousand, four hundred five".
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