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545896 = 231329181
BaseRepresentation
bin10000101010001101000
31000201211101
42011101220
5114432041
615411144
74432351
oct2052150
91021741
10545896
1134315a
12223ab4
13161620
14102d28
15abb31
hex85468

545896 has 32 divisors (see below), whose sum is σ = 1146600. Its totient is φ = 241920.

The previous prime is 545893. The next prime is 545899. The reversal of 545896 is 698545.

It is an interprime number because it is at equal distance from previous prime (545893) and next prime (545899).

It can be written as a sum of positive squares in 4 ways, for example, as 202500 + 343396 = 450^2 + 586^2 .

It is an Ulam number.

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

Its product of digits (43200) is a multiple of the sum of its prime divisors (225).

It is not an unprimeable number, because it can be changed into a prime (545893) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2926 + ... + 3106.

2545896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (573300).

545896 is an abundant number, since it is smaller than the sum of its proper divisors (600704).

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

545896 is a wasteful number, since it uses less digits than its factorization.

545896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 225 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 545896 is about 738.8477515700. The cubic root of 545896 is about 81.7278305280.

It can be divided in two parts, 545 and 896, that added together give a palindrome (1441).

The spelling of 545896 in words is "five hundred forty-five thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 13 26 29 52 58 104 116 181 232 362 377 724 754 1448 1508 2353 3016 4706 5249 9412 10498 18824 20996 41992 68237 136474 272948 545896