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40473740 = 2252697523
BaseRepresentation
bin1001101001100…
…1010010001100
32211011021112102
42122121102030
540330124430
64003254232
71001010146
oct232312214
984137472
1040473740
112093457a
121167a378
138501378
145537c96
153847345
hex269948c

40473740 has 24 divisors (see below), whose sum is σ = 85322160. Its totient is φ = 16127168.

The previous prime is 40473739. The next prime is 40473749. The reversal of 40473740 is 4737404.

It is not an unprimeable number, because it can be changed into a prime (40473749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619 + ... + 9141.

It is an arithmetic number, because the mean of its divisors is an integer number (3555090).

Almost surely, 240473740 is an apocalyptic number.

It is an amenable number.

40473740 is an abundant number, since it is smaller than the sum of its proper divisors (44848420).

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

40473740 is a wasteful number, since it uses less digits than its factorization.

40473740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7801 (or 7799 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 40473740 is about 6361.8975156788. The cubic root of 40473740 is about 343.3400340121.

The spelling of 40473740 in words is "forty million, four hundred seventy-three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 269 538 1076 1345 2690 5380 7523 15046 30092 37615 75230 150460 2023687 4047374 8094748 10118435 20236870 40473740