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40246938 = 2322235941
BaseRepresentation
bin1001100110000…
…1111010011010
32210201202102100
42121201322122
540300400223
63554344230
7666044004
oct231417232
983652370
1040246938
112079a136
121158b076
138452074
1454b9374
153800043
hex2661e9a

40246938 has 12 divisors (see below), whose sum is σ = 87201738. Its totient is φ = 13415640.

The previous prime is 40246937. The next prime is 40246951. The reversal of 40246938 is 83964204.

It is a happy number.

40246938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37124649 + 3122289 = 6093^2 + 1767^2 .

It is not an unprimeable number, because it can be changed into a prime (40246931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1117953 + ... + 1117988.

Almost surely, 240246938 is an apocalyptic number.

40246938 is an abundant number, since it is smaller than the sum of its proper divisors (46954800).

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

40246938 is a wasteful number, since it uses less digits than its factorization.

40246938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235949 (or 2235946 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 40246938 is about 6344.0474462286. The cubic root of 40246938 is about 342.6975094664.

The spelling of 40246938 in words is "forty million, two hundred forty-six thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 9 18 2235941 4471882 6707823 13415646 20123469 40246938