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40137383 = 1113280681
BaseRepresentation
bin1001100100011…
…1001010100111
32210112012010202
42121013022213
540233344013
63552141115
7665106416
oct231071247
983465122
1040137383
11207248a0
121153779b
138414240
14548b47d
1537cc858
hex26472a7

40137383 has 8 divisors (see below), whose sum is σ = 47154576. Its totient is φ = 33681600.

The previous prime is 40137379. The next prime is 40137407. The reversal of 40137383 is 38373104.

40137383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40137383 - 22 = 40137379 is a prime.

It is a super-2 number, since 2×401373832 = 3222019028177378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40137373) 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 7 ways as a sum of consecutive naturals, for example, 140198 + ... + 140483.

It is an arithmetic number, because the mean of its divisors is an integer number (5894322).

Almost surely, 240137383 is an apocalyptic number.

40137383 is a deficient number, since it is larger than the sum of its proper divisors (7017193).

40137383 is a wasteful number, since it uses less digits than its factorization.

40137383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280705.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 40137383 is about 6335.4070903139. The cubic root of 40137383 is about 342.3862779779.

The spelling of 40137383 in words is "forty million, one hundred thirty-seven thousand, three hundred eighty-three".

Divisors: 1 11 13 143 280681 3087491 3648853 40137383