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452405420 = 22522620271
BaseRepresentation
bin11010111101110…
…010100010101100
31011112021120120022
4122331302202230
51411303433140
6112520341312
714132245145
oct3275624254
91145246508
10452405420
11212409985
12107614838
137295c81c
1444126acc
1529ab60b5
hex1af728ac

452405420 has 12 divisors (see below), whose sum is σ = 950051424. Its totient is φ = 180962160.

The previous prime is 452405419. The next prime is 452405431. The reversal of 452405420 is 24504254.

It is a self number, because there is not a number n which added to its sum of digits gives 452405420.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11310116 + ... + 11310155.

It is an arithmetic number, because the mean of its divisors is an integer number (79170952).

Almost surely, 2452405420 is an apocalyptic number.

It is an amenable number.

452405420 is an abundant number, since it is smaller than the sum of its proper divisors (497646004).

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

452405420 is a wasteful number, since it uses less digits than its factorization.

452405420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22620280 (or 22620278 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 452405420 is about 21269.8241647645. The cubic root of 452405420 is about 767.6724111954.

Adding to 452405420 its reverse (24504254), we get a palindrome (476909674).

The spelling of 452405420 in words is "four hundred fifty-two million, four hundred five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 22620271 45240542 90481084 113101355 226202710 452405420