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40910149 = 727311437
BaseRepresentation
bin1001110000001…
…1110101000101
32211222110011201
42130003311011
540433111044
64020502501
71004505400
oct234036505
984873151
1040910149
1121102445
121184aa31
138624bb7
14560cd37
1538d17d4
hex2703d45

40910149 has 12 divisors (see below), whose sum is σ = 48245484. Its totient is φ = 34582464.

The previous prime is 40910137. The next prime is 40910153. The reversal of 40910149 is 94101904.

It can be written as a sum of positive squares in 2 ways, for example, as 17581249 + 23328900 = 4193^2 + 4830^2 .

It is not a de Polignac number, because 40910149 - 29 = 40909637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40910159) 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, 2142 + ... + 9295.

It is an arithmetic number, because the mean of its divisors is an integer number (4020457).

Almost surely, 240910149 is an apocalyptic number.

40910149 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

40910149 is a deficient number, since it is larger than the sum of its proper divisors (7335335).

40910149 is a wasteful number, since it uses less digits than its factorization.

40910149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11524 (or 11517 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 40910149 is about 6396.1042049047. The cubic root of 40910149 is about 344.5696489410.

The spelling of 40910149 in words is "forty million, nine hundred ten thousand, one hundred forty-nine".

Divisors: 1 7 49 73 511 3577 11437 80059 560413 834901 5844307 40910149