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545050 = 25211991
BaseRepresentation
bin10000101000100011010
31000200200001
42011010122
5114420200
615403214
74430032
oct2050432
91020601
10545050
11342560
1222350a
1316111c
141028c2
15ab76a
hex8511a

545050 has 24 divisors (see below), whose sum is σ = 1107072. Its totient is φ = 198000.

The previous prime is 545033. The next prime is 545057. The reversal of 545050 is 50545.

Adding to 545050 its reverse (50545), we get a palindrome (595595).

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (545057) by changing a digit.

545050 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55 + ... + 1045.

It is an arithmetic number, because the mean of its divisors is an integer number (46128).

2545050 is an apocalyptic number.

545050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

545050 is an abundant number, since it is smaller than the sum of its proper divisors (562022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545050 is a wasteful number, since it uses less digits than its factorization.

545050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 545050 is about 738.2750165081. The cubic root of 545050 is about 81.6855895805.

The spelling of 545050 in words is "five hundred forty-five thousand, fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 991 1982 4955 9910 10901 21802 24775 49550 54505 109010 272525 545050