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411421240 = 23523447197
BaseRepresentation
bin11000100001011…
…100101000111000
31001200011100211201
4120201130220320
51320310434430
6104454103544
713124010556
oct3041345070
91050140751
10411421240
111a126695a
12b594abb4
1367310029
143c8d8bd6
15261bc8ca
hex1885ca38

411421240 has 32 divisors (see below), whose sum is σ = 965947680. Its totient is φ = 157412992.

The previous prime is 411421237. The next prime is 411421247. The reversal of 411421240 is 42124114.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411421247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222679 + ... + 224518.

It is an arithmetic number, because the mean of its divisors is an integer number (30185865).

Almost surely, 2411421240 is an apocalyptic number.

411421240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

411421240 is an abundant number, since it is smaller than the sum of its proper divisors (554526440).

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

411421240 is a wasteful number, since it uses less digits than its factorization.

411421240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447231 (or 447227 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 411421240 is about 20283.5213905278. The cubic root of 411421240 is about 743.7532952800.

Adding to 411421240 its reverse (42124114), we get a palindrome (453545354).

The spelling of 411421240 in words is "four hundred eleven million, four hundred twenty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 447197 894394 1788788 2235985 3577576 4471970 8943940 10285531 17887880 20571062 41142124 51427655 82284248 102855310 205710620 411421240