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41381920 = 255258637
BaseRepresentation
bin1001110111011…
…1000000100000
32212212102022201
42131313000200
541043210140
64034542544
71011511666
oct235670040
985772281
1041381920
11213a4938
1211a37a54
13875b858
1456d2c36
15397649a
hex2777020

41381920 has 24 divisors (see below), whose sum is σ = 97765164. Its totient is φ = 16552704.

The previous prime is 41381911. The next prime is 41381939. The reversal of 41381920 is 2918314.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39388176 + 1993744 = 6276^2 + 1412^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129159 + ... + 129478.

Almost surely, 241381920 is an apocalyptic number.

41381920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41381920 is an abundant number, since it is smaller than the sum of its proper divisors (56383244).

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

41381920 is a wasteful number, since it uses less digits than its factorization.

41381920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258652 (or 258644 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 41381920 is about 6432.8780495203. The cubic root of 41381920 is about 345.8891020852.

The spelling of 41381920 in words is "forty-one million, three hundred eighty-one thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 258637 517274 1034548 1293185 2069096 2586370 4138192 5172740 8276384 10345480 20690960 41381920