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40450041 = 3229154981
BaseRepresentation
bin1001101001001…
…1011111111001
32211010002000200
42122103133321
540323400131
64002552413
71000551102
oct232233771
984102020
1040450041
1120918795
1211668709
1384c3648
14552d3a9
1538402e6
hex26937f9

40450041 has 12 divisors (see below), whose sum is σ = 60442980. Its totient is φ = 26036640.

The previous prime is 40450037. The next prime is 40450043. The reversal of 40450041 is 14005404.

It can be written as a sum of positive squares in 2 ways, for example, as 21344400 + 19105641 = 4620^2 + 4371^2 .

It is not a de Polignac number, because 40450041 - 22 = 40450037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40449996 and 40450023.

It is not an unprimeable number, because it can be changed into a prime (40450043) 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, 77230 + ... + 77751.

It is an arithmetic number, because the mean of its divisors is an integer number (5036915).

Almost surely, 240450041 is an apocalyptic number.

It is an amenable number.

40450041 is a deficient number, since it is larger than the sum of its proper divisors (19992939).

40450041 is a wasteful number, since it uses less digits than its factorization.

40450041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155016 (or 155013 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 40450041 is about 6360.0346697168. The cubic root of 40450041 is about 343.2730078027.

Adding to 40450041 its reverse (14005404), we get a palindrome (54455445).

The spelling of 40450041 in words is "forty million, four hundred fifty thousand, forty-one".

Divisors: 1 3 9 29 87 261 154981 464943 1394829 4494449 13483347 40450041