Base | Representation |
---|---|
bin | 1010001001011011… |
… | …0110110001000001 |
3 | 21000211111111000000 |
4 | 2202112312301001 |
5 | 21034304303411 |
6 | 1130142350213 |
7 | 124333525551 |
oct | 24226666101 |
9 | 7024444000 |
10 | 2723900481 |
11 | 1178630825 |
12 | 64028b369 |
13 | 345434343 |
14 | 1bba95161 |
15 | 10e206956 |
hex | a25b6c41 |
2723900481 has 21 divisors (see below), whose sum is σ = 4086096339. Its totient is φ = 1814994216.
The previous prime is 2723900479. The next prime is 2723900503. The reversal of 2723900481 is 1840093272.
The square root of 2723900481 is 52191.
It is a perfect power (a square), and thus also a powerful number.
2723900481 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.
It can be written as a sum of positive squares in only one way, i.e., 1854594225 + 869306256 = 43065^2 + 29484^2 .
It is not a de Polignac number, because 2723900481 - 21 = 2723900479 is a prime.
It is a super-2 number, since 2×27239004812 = 14839267660784062722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2723900461) by changing a digit.
It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 1408191 + ... + 1410123.
Almost surely, 22723900481 is an apocalyptic number.
2723900481 is the 52191-st square number.
2723900481 is the 26096-th centered octagonal number.
It is an amenable number.
2723900481 is a deficient number, since it is larger than the sum of its proper divisors (1362195858).
2723900481 is an frugal number, since it uses more digits than its factorization.
2723900481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3884 (or 1936 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The cubic root of 2723900481 is about 1396.5733341279.
Multiplying 2723900481 by its sum of digits (36), we get a square (98060417316 = 3131462).
The spelling of 2723900481 in words is "two billion, seven hundred twenty-three million, nine hundred thousand, four hundred eighty-one".
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