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40992742 = 274762299
BaseRepresentation
bin1001110001011…
…1111111100110
32212010122110201
42130113333212
540443231432
64022341114
71005301240
oct234277746
985118421
1040992742
11211594aa
121188a79a
13865367b
145631090
1538eaee7
hex2717fe6

40992742 has 16 divisors (see below), whose sum is σ = 71769600. Its totient is φ = 17194248.

The previous prime is 40992733. The next prime is 40992761. The reversal of 40992742 is 24729904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30492 + ... + 31807.

It is an arithmetic number, because the mean of its divisors is an integer number (4485600).

Almost surely, 240992742 is an apocalyptic number.

40992742 is a deficient number, since it is larger than the sum of its proper divisors (30776858).

40992742 is a wasteful number, since it uses less digits than its factorization.

40992742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62355.

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

The square root of 40992742 is about 6402.5574577664. The cubic root of 40992742 is about 344.8013755524.

The spelling of 40992742 in words is "forty million, nine hundred ninety-two thousand, seven hundred forty-two".

Divisors: 1 2 7 14 47 94 329 658 62299 124598 436093 872186 2928053 5856106 20496371 40992742