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495550800 = 243252137653
BaseRepresentation
bin11101100010011…
…000000101010000
31021112110120220100
4131202120011100
52003330111200
6121101212400
715165053343
oct3542300520
91245416810
10495550800
112347a8718
12119b61100
137b887c34
1449b5845a
152d789d00
hex1d898150

495550800 has 90 divisors (see below), whose sum is σ = 1719711422. Its totient is φ = 132145920.

The previous prime is 495550793. The next prime is 495550813. The reversal of 495550800 is 8055594.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 23270976 + 472279824 = 4824^2 + 21732^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 65227 + ... + 72426.

Almost surely, 2495550800 is an apocalyptic number.

495550800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

495550800 is an abundant number, since it is smaller than the sum of its proper divisors (1224160622).

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

495550800 is a wasteful number, since it uses less digits than its factorization.

495550800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137677 (or 137663 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 495550800 is about 22260.9703292556. The cubic root of 495550800 is about 791.3392867355.

It can be divided in two parts, 4955 and 50800, that added together give a palindrome (55755).

The spelling of 495550800 in words is "four hundred ninety-five million, five hundred fifty thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 144 150 180 200 225 240 300 360 400 450 600 720 900 1200 1800 3600 137653 275306 412959 550612 688265 825918 1101224 1238877 1376530 1651836 2064795 2202448 2477754 2753060 3303672 3441325 4129590 4955508 5506120 6194385 6607344 6882650 8259180 9911016 10323975 11012240 12388770 13765300 16518360 19822032 20647950 24777540 27530600 30971925 33036720 41295900 49555080 55061200 61943850 82591800 99110160 123887700 165183600 247775400 495550800