Search a number
-
+
541131445 = 52947271293
BaseRepresentation
bin100000010000010…
…000001010110101
31101201020022210101
4200100100022311
52102012201240
6125410154101
716260353461
oct4020201265
91351208711
10541131445
11258500078
12131282931
138815692a
1451c214a1
153279039a
hex204102b5

541131445 has 32 divisors (see below), whose sum is σ = 690923520. Its totient is φ = 406183680.

The previous prime is 541131433. The next prime is 541131449. The reversal of 541131445 is 544131145.

It is not a de Polignac number, because 541131445 - 25 = 541131413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541131449) 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, 1846719 + ... + 1847011.

It is an arithmetic number, because the mean of its divisors is an integer number (21591360).

Almost surely, 2541131445 is an apocalyptic number.

It is an amenable number.

541131445 is a deficient number, since it is larger than the sum of its proper divisors (149792075).

541131445 is a wasteful number, since it uses less digits than its factorization.

541131445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its digits is 4800, while the sum is 28.

The square root of 541131445 is about 23262.2321585870. The cubic root of 541131445 is about 814.8936315947.

It can be divided in two parts, 5411 and 31445, that added together give a triangular number (36856 = T271).

The spelling of 541131445 in words is "five hundred forty-one million, one hundred thirty-one thousand, four hundred forty-five".

Divisors: 1 5 29 47 145 235 271 293 1355 1363 1465 6815 7859 8497 12737 13771 39295 42485 63685 68855 79403 369373 397015 399359 1846865 1996795 2302687 3731941 11513435 18659705 108226289 541131445