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40671241 = 1319715881
BaseRepresentation
bin1001101100100…
…1100000001001
32211112022110021
42123021200021
540402434431
64011420441
71002462022
oct233114011
984468407
1040671241
1120a599a6
1211754721
138570230
145589c49
153885b11
hex26c9809

40671241 has 8 divisors (see below), whose sum is σ = 44024904. Its totient is φ = 37349760.

The previous prime is 40671217. The next prime is 40671263. The reversal of 40671241 is 14217604.

It can be written as a sum of positive squares in 4 ways, for example, as 20286016 + 20385225 = 4504^2 + 4515^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40671241 - 25 = 40671209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40671041) 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, 5380 + ... + 10501.

It is an arithmetic number, because the mean of its divisors is an integer number (5503113).

Almost surely, 240671241 is an apocalyptic number.

It is an amenable number.

40671241 is a deficient number, since it is larger than the sum of its proper divisors (3353663).

40671241 is a wasteful number, since it uses less digits than its factorization.

40671241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16091.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 40671241 is about 6377.4008028350. The cubic root of 40671241 is about 343.8975971786.

Adding to 40671241 its reverse (14217604), we get a palindrome (54888845).

The spelling of 40671241 in words is "forty million, six hundred seventy-one thousand, two hundred forty-one".

Divisors: 1 13 197 2561 15881 206453 3128557 40671241