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40496761 is a prime number
BaseRepresentation
bin1001101001111…
…0111001111001
32211012110010001
42122132321321
540331344021
64003553001
71001134234
oct232367171
984173101
1040496761
112094a8a8
121168b761
13850b9a6
14554241b
15384e091
hex269ee79

40496761 has 2 divisors, whose sum is σ = 40496762. Its totient is φ = 40496760.

The previous prime is 40496749. The next prime is 40496773. The reversal of 40496761 is 16769404.

It is a balanced prime because it is at equal distance from previous prime (40496749) and next prime (40496773).

It can be written as a sum of positive squares in only one way, i.e., 34445161 + 6051600 = 5869^2 + 2460^2 .

It is a cyclic number.

It is not a de Polignac number, because 40496761 - 29 = 40496249 is a prime.

It is a super-2 number, since 2×404967612 = 3279975302982242, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40496761.

It is not a weakly prime, because it can be changed into another prime (40496791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20248380 + 20248381.

It is an arithmetic number, because the mean of its divisors is an integer number (20248381).

Almost surely, 240496761 is an apocalyptic number.

It is an amenable number.

40496761 is a deficient number, since it is larger than the sum of its proper divisors (1).

40496761 is an equidigital number, since it uses as much as digits as its factorization.

40496761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 40496761 is about 6363.7065457169. The cubic root of 40496761 is about 343.4051176344.

The spelling of 40496761 in words is "forty million, four hundred ninety-six thousand, seven hundred sixty-one".