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40909182 = 236818197
BaseRepresentation
bin1001110000001…
…1100101111110
32211222101211220
42130003211332
540433043212
64020454210
71004502516
oct234034576
984871756
1040909182
1121101746
121184a366
138624622
14560c846
1538d138c
hex270397e

40909182 has 8 divisors (see below), whose sum is σ = 81818376. Its totient is φ = 13636392.

The previous prime is 40909151. The next prime is 40909199. The reversal of 40909182 is 28190904.

It is a sphenic number, since it is the product of 3 distinct primes.

40909182 is an admirable number.

It is a super-2 number, since 2×409091822 = 3347122343818248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3409093 + ... + 3409104.

It is an arithmetic number, because the mean of its divisors is an integer number (10227297).

Almost surely, 240909182 is an apocalyptic number.

40909182 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40909182 is a wasteful number, since it uses less digits than its factorization.

40909182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6818202.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 40909182 is about 6396.0286115683. The cubic root of 40909182 is about 344.5669340362.

The spelling of 40909182 in words is "forty million, nine hundred nine thousand, one hundred eighty-two".

Divisors: 1 2 3 6 6818197 13636394 20454591 40909182