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452105540 = 22522998713
BaseRepresentation
bin11010111100101…
…001010101000100
31011111201100012122
4122330221111010
51411214334130
6112510105112
714126555645
oct3274512504
91144640178
10452105540
11212224647
121074ab198
1372886193
14440896cc
1529a572e5
hex1af29544

452105540 has 24 divisors (see below), whose sum is σ = 953577240. Its totient is φ = 180050688.

The previous prime is 452105539. The next prime is 452105557. The reversal of 452105540 is 45501254.

It can be written as a sum of positive squares in 4 ways, for example, as 258116356 + 193989184 = 16066^2 + 13928^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44777 + ... + 53936.

It is an arithmetic number, because the mean of its divisors is an integer number (39732385).

Almost surely, 2452105540 is an apocalyptic number.

It is an amenable number.

452105540 is an abundant number, since it is smaller than the sum of its proper divisors (501471700).

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

452105540 is a wasteful number, since it uses less digits than its factorization.

452105540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98951 (or 98949 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 452105540 is about 21262.7735726081. The cubic root of 452105540 is about 767.5027547497.

Adding to 452105540 its reverse (45501254), we get a palindrome (497606794).

The spelling of 452105540 in words is "four hundred fifty-two million, one hundred five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 229 458 916 1145 2290 4580 98713 197426 394852 493565 987130 1974260 22605277 45210554 90421108 113026385 226052770 452105540