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541487631 = 3199499783
BaseRepresentation
bin100000010001100…
…111001000001111
31101201220102101110
4200101213020033
52102110101011
6125421543103
716263366066
oct4021471017
91351812343
10541487631
11258723743
12131414a93
138824caa9
1451cb51dd
1532810ba6
hex2046720f

541487631 has 8 divisors (see below), whose sum is σ = 759982720. Its totient is φ = 341992152.

The previous prime is 541487603. The next prime is 541487641. The reversal of 541487631 is 136784145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 541487631 - 27 = 541487503 is a prime.

It is a super-2 number, since 2×5414876312 = 586417709051984322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 541487631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541487641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4749835 + ... + 4749948.

It is an arithmetic number, because the mean of its divisors is an integer number (94997840).

Almost surely, 2541487631 is an apocalyptic number.

541487631 is a deficient number, since it is larger than the sum of its proper divisors (218495089).

541487631 is a wasteful number, since it uses less digits than its factorization.

541487631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9499805.

The product of its digits is 80640, while the sum is 39.

The square root of 541487631 is about 23269.8867852854. The cubic root of 541487631 is about 815.0723867104.

The spelling of 541487631 in words is "five hundred forty-one million, four hundred eighty-seven thousand, six hundred thirty-one".

Divisors: 1 3 19 57 9499783 28499349 180495877 541487631