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541045 = 5241449
BaseRepresentation
bin10000100000101110101
31000111011201
42010011311
5114303140
615332501
74412251
oct2040565
91014151
10541045
1133a54a
12221131
1315c35b
14101261
15aa49a
hex84175

541045 has 8 divisors (see below), whose sum is σ = 653400. Its totient is φ = 430080.

The previous prime is 541027. The next prime is 541049. The reversal of 541045 is 540145.

It can be written as a sum of positive squares in 4 ways, for example, as 128881 + 412164 = 359^2 + 642^2 .

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

It is not a de Polignac number, because 541045 - 213 = 532853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541049) 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, 981 + ... + 1429.

It is an arithmetic number, because the mean of its divisors is an integer number (81675).

2541045 is an apocalyptic number.

It is an amenable number.

541045 is a deficient number, since it is larger than the sum of its proper divisors (112355).

541045 is a wasteful number, since it uses less digits than its factorization.

541045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 541045 is about 735.5576116118. The cubic root of 541045 is about 81.4850236574.

Subtracting from 541045 its reverse (540145), we obtain a square (900 = 302).

The spelling of 541045 in words is "five hundred forty-one thousand, forty-five".

Divisors: 1 5 241 449 1205 2245 108209 541045