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41279989 = 192412789
BaseRepresentation
bin1001110101111…
…0000111110101
32212200020111111
42131132013311
541031424424
64032435021
71010605552
oct235360765
985606444
1041279989
11213352a3
12119a8a71
13872433a
1456a7a29
153956194
hex275e1f5

41279989 has 12 divisors (see below), whose sum is σ = 44645580. Its totient is φ = 38139840.

The previous prime is 41279983. The next prime is 41279993. The reversal of 41279989 is 98997214.

It can be written as a sum of positive squares in 2 ways, for example, as 11957764 + 29322225 = 3458^2 + 5415^2 .

It is not a de Polignac number, because 41279989 - 29 = 41279477 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 (41279983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13407 + ... + 16195.

It is an arithmetic number, because the mean of its divisors is an integer number (3720465).

Almost surely, 241279989 is an apocalyptic number.

It is an amenable number.

41279989 is a deficient number, since it is larger than the sum of its proper divisors (3365591).

41279989 is a wasteful number, since it uses less digits than its factorization.

41279989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868 (or 2849 counting only the distinct ones).

The product of its digits is 326592, while the sum is 49.

The square root of 41279989 is about 6424.9505056459. The cubic root of 41279989 is about 345.6048732104.

The spelling of 41279989 in words is "forty-one million, two hundred seventy-nine thousand, nine hundred eighty-nine".

Divisors: 1 19 41 361 779 2789 14801 52991 114349 1006829 2172631 41279989