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514440220 = 22572524939
BaseRepresentation
bin11110101010011…
…011110000011100
31022212000021022111
4132222123300130
52023144041340
6123014123404
715514445500
oct3652336034
91285007274
10514440220
1124442a608
12124350564
138276c9c8
144c474300
153026baea
hex1ea9bc1c

514440220 has 36 divisors (see below), whose sum is σ = 1256706360. Its totient is φ = 176379168.

The previous prime is 514440197. The next prime is 514440221. The reversal of 514440220 is 22044415.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 514440191 and 514440200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514440221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261490 + ... + 263449.

It is an arithmetic number, because the mean of its divisors is an integer number (34908510).

Almost surely, 2514440220 is an apocalyptic number.

It is an amenable number.

514440220 is an abundant number, since it is smaller than the sum of its proper divisors (742266140).

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

514440220 is a wasteful number, since it uses less digits than its factorization.

514440220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524962 (or 524953 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 514440220 is about 22681.2746555391. The cubic root of 514440220 is about 801.2689341103.

Adding to 514440220 its reverse (22044415), we get a palindrome (536484635).

The spelling of 514440220 in words is "five hundred fourteen million, four hundred forty thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 524939 1049878 2099756 2624695 3674573 5249390 7349146 10498780 14698292 18372865 25722011 36745730 51444022 73491460 102888044 128610055 257220110 514440220