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40716249 = 378532273
BaseRepresentation
bin1001101101010…
…0011111011001
32211121121012020
42123110133121
540410404444
64012405053
71003040160
oct233243731
984547166
1040716249
1120a8a7a2
1211776789
138587872
14559c3d7
153894119
hex26d47d9

40716249 has 16 divisors (see below), whose sum is σ = 62143872. Its totient is φ = 23228928.

The previous prime is 40716217. The next prime is 40716257. The reversal of 40716249 is 94261704.

It is a happy number.

It is not a de Polignac number, because 40716249 - 25 = 40716217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40716149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16777 + ... + 19049.

It is an arithmetic number, because the mean of its divisors is an integer number (3883992).

Almost surely, 240716249 is an apocalyptic number.

It is an amenable number.

40716249 is a deficient number, since it is larger than the sum of its proper divisors (21427623).

40716249 is a wasteful number, since it uses less digits than its factorization.

40716249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 40716249 is about 6380.9285374466. The cubic root of 40716249 is about 344.0244061691.

The spelling of 40716249 in words is "forty million, seven hundred sixteen thousand, two hundred forty-nine".

Divisors: 1 3 7 21 853 2273 2559 5971 6819 15911 17913 47733 1938869 5816607 13572083 40716249