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41343981 = 3719103619
BaseRepresentation
bin1001110110110…
…1101111101101
32212210111021120
42131231233231
541041001411
64034051153
71011263250
oct235555755
985714246
1041343981
1121379388
1211a19ab9
1387474c3
1456c3097
15396a106
hex276dbed

41343981 has 16 divisors (see below), whose sum is σ = 66316800. Its totient is φ = 22381488.

The previous prime is 41343979. The next prime is 41343989. The reversal of 41343981 is 18934314.

It is not a de Polignac number, because 41343981 - 21 = 41343979 is a prime.

It is a super-2 number, since 2×413439812 = 3418649529856722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41343989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51411 + ... + 52208.

It is an arithmetic number, because the mean of its divisors is an integer number (4144800).

Almost surely, 241343981 is an apocalyptic number.

It is an amenable number.

41343981 is a deficient number, since it is larger than the sum of its proper divisors (24972819).

41343981 is a wasteful number, since it uses less digits than its factorization.

41343981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103648.

The product of its digits is 10368, while the sum is 33.

The square root of 41343981 is about 6429.9285377055. The cubic root of 41343981 is about 345.7833659006.

It can be divided in two parts, 41343 and 981, that added together give a palindrome (42324).

The spelling of 41343981 in words is "forty-one million, three hundred forty-three thousand, nine hundred eighty-one".

Divisors: 1 3 7 19 21 57 133 399 103619 310857 725333 1968761 2175999 5906283 13781327 41343981