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541458409 = 1928497811
BaseRepresentation
bin100000010001011…
…111111111101001
31101201211221022011
4200101133333221
52102103132114
6125421155521
716263214642
oct4021377751
91351757264
10541458409
11258703798
121313bbba1
138823c6bb
1451ca86c9
15328071c4
hex2045ffe9

541458409 has 4 divisors (see below), whose sum is σ = 569956240. Its totient is φ = 512960580.

The previous prime is 541458397. The next prime is 541458419. The reversal of 541458409 is 904854145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 541458409 - 215 = 541425641 is a prime.

It is a super-2 number, since 2×5414584092 = 586354417353622562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541458419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14248887 + ... + 14248924.

It is an arithmetic number, because the mean of its divisors is an integer number (142489060).

Almost surely, 2541458409 is an apocalyptic number.

It is an amenable number.

541458409 is a deficient number, since it is larger than the sum of its proper divisors (28497831).

541458409 is a wasteful number, since it uses less digits than its factorization.

541458409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28497830.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 541458409 is about 23269.2588837720. The cubic root of 541458409 is about 815.0577243418.

The spelling of 541458409 in words is "five hundred forty-one million, four hundred fifty-eight thousand, four hundred nine".

Divisors: 1 19 28497811 541458409