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41581407 = 371980067
BaseRepresentation
bin1001111010011…
…1101101011111
32220020112222010
42132213231133
541121101112
64043122303
71013302410
oct236475537
986215863
1041581407
11215207aa
1211b13393
1387cb5aa
145745807
1539b563c
hex27a7b5f

41581407 has 8 divisors (see below), whose sum is σ = 63362176. Its totient is φ = 23760792.

The previous prime is 41581403. The next prime is 41581411. The reversal of 41581407 is 70418514.

It is an interprime number because it is at equal distance from previous prime (41581403) and next prime (41581411).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 41581407 - 22 = 41581403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41581403) 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, 990013 + ... + 990054.

It is an arithmetic number, because the mean of its divisors is an integer number (7920272).

Almost surely, 241581407 is an apocalyptic number.

41581407 is a deficient number, since it is larger than the sum of its proper divisors (21780769).

41581407 is a wasteful number, since it uses less digits than its factorization.

41581407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980077.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 41581407 is about 6448.3646764122. The cubic root of 41581407 is about 346.4440127011. Note that the first 3 decimals are identical.

It can be divided in two parts, 4158 and 1407, that added together give a triangular number (5565 = T105).

The spelling of 41581407 in words is "forty-one million, five hundred eighty-one thousand, four hundred seven".

Divisors: 1 3 7 21 1980067 5940201 13860469 41581407