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415201244 = 22234513057
BaseRepresentation
bin11000101111110…
…111011111011100
31001221021102000212
4120233313133130
51322242414434
6105111111552
713201103153
oct3057673734
91057242025
10415201244
111a3408927
12b70725b8
1368034713
143d20059a
15266b78ce
hex18bf77dc

415201244 has 12 divisors (see below), whose sum is σ = 758193744. Its totient is φ = 198574464.

The previous prime is 415201223. The next prime is 415201271. The reversal of 415201244 is 442102514.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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, 2256437 + ... + 2256620.

It is an arithmetic number, because the mean of its divisors is an integer number (63182812).

Almost surely, 2415201244 is an apocalyptic number.

It is an amenable number.

415201244 is a deficient number, since it is larger than the sum of its proper divisors (342992500).

415201244 is a wasteful number, since it uses less digits than its factorization.

415201244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4513084 (or 4513082 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 415201244 is about 20376.4875285217. The cubic root of 415201244 is about 746.0241422802.

Adding to 415201244 its reverse (442102514), we get a palindrome (857303758).

The spelling of 415201244 in words is "four hundred fifteen million, two hundred one thousand, two hundred forty-four".

Divisors: 1 2 4 23 46 92 4513057 9026114 18052228 103800311 207600622 415201244