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40437041 = 371092893
BaseRepresentation
bin1001101001000…
…0010100110001
32211002102012012
42122100110301
540322441131
64002412305
71000465151
oct232202461
984072165
1040437041
1120909a47
1211661095
1384ba758
145528761
15383b52b
hex2690531

40437041 has 4 divisors (see below), whose sum is σ = 41529972. Its totient is φ = 39344112.

The previous prime is 40437037. The next prime is 40437043. The reversal of 40437041 is 14073404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25000000 + 15437041 = 5000^2 + 3929^2 .

It is a cyclic number.

It is not a de Polignac number, because 40437041 - 22 = 40437037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40436998 and 40437016.

It is not an unprimeable number, because it can be changed into a prime (40437043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546410 + ... + 546483.

It is an arithmetic number, because the mean of its divisors is an integer number (10382493).

Almost surely, 240437041 is an apocalyptic number.

It is an amenable number.

40437041 is a deficient number, since it is larger than the sum of its proper divisors (1092931).

40437041 is a wasteful number, since it uses less digits than its factorization.

40437041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092930.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40437041 is about 6359.0125805820. The cubic root of 40437041 is about 343.2362297003.

The spelling of 40437041 in words is "forty million, four hundred thirty-seven thousand, forty-one".

Divisors: 1 37 1092893 40437041