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41307920 = 245516349
BaseRepresentation
bin1001110110010…
…0111100010000
32212201122210222
42131210330100
541033323140
64033212212
71011053153
oct235447420
985648728
1041307920
1121354285
1211a01068
138733c74
1456b3c9a
15395e5b5
hex2764f10

41307920 has 20 divisors (see below), whose sum is σ = 96041100. Its totient is φ = 16523136.

The previous prime is 41307901. The next prime is 41307923. The reversal of 41307920 is 2970314.

It can be written as a sum of positive squares in 2 ways, for example, as 22886656 + 18421264 = 4784^2 + 4292^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 41307920.

It is not an unprimeable number, because it can be changed into a prime (41307923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258095 + ... + 258254.

It is an arithmetic number, because the mean of its divisors is an integer number (4802055).

Almost surely, 241307920 is an apocalyptic number.

41307920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41307920 is an abundant number, since it is smaller than the sum of its proper divisors (54733180).

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

41307920 is a wasteful number, since it uses less digits than its factorization.

41307920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516362 (or 516356 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 41307920 is about 6427.1237735086. The cubic root of 41307920 is about 345.6828037331.

The spelling of 41307920 in words is "forty-one million, three hundred seven thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 516349 1032698 2065396 2581745 4130792 5163490 8261584 10326980 20653960 41307920