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41381680 = 2451274073
BaseRepresentation
bin1001110111011…
…0111100110000
32212212101222211
42131312330300
541043203210
64034541504
71011511204
oct235667460
985771884
1041381680
11213a473a
1211a37894
13875b702
1456d2b04
15397638a
hex2776f30

41381680 has 40 divisors (see below), whose sum is σ = 96993792. Its totient is φ = 16418304.

The previous prime is 41381671. The next prime is 41381731. The reversal of 41381680 is 8618314.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8124 + ... + 12196.

Almost surely, 241381680 is an apocalyptic number.

41381680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41381680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48496896).

41381680 is an abundant number, since it is smaller than the sum of its proper divisors (55612112).

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

41381680 is a wasteful number, since it uses less digits than its factorization.

41381680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213 (or 4207 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 41381680 is about 6432.8593953234. The cubic root of 41381680 is about 345.8884334071. Note that the first 3 decimals are identical.

Adding to 41381680 its reverse (8618314), we get a palindrome (49999994).

The spelling of 41381680 in words is "forty-one million, three hundred eighty-one thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 127 254 508 635 1016 1270 2032 2540 4073 5080 8146 10160 16292 20365 32584 40730 65168 81460 162920 325840 517271 1034542 2069084 2586355 4138168 5172710 8276336 10345420 20690840 41381680