Search a number
-
+
40709383 = 1113284681
BaseRepresentation
bin1001101101001…
…0110100000111
32211121020202221
42123102310013
540410200013
64012313211
71003011151
oct233226407
984536687
1040709383
1120a85620
1211772807
1385846c0
145599ad1
15389208d
hex26d2d07

40709383 has 8 divisors (see below), whose sum is σ = 47826576. Its totient is φ = 34161600.

The previous prime is 40709371. The next prime is 40709443. The reversal of 40709383 is 38390704.

40709383 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 not a de Polignac number, because 40709383 - 217 = 40578311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40709083) 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, 142198 + ... + 142483.

It is an arithmetic number, because the mean of its divisors is an integer number (5978322).

Almost surely, 240709383 is an apocalyptic number.

40709383 is a deficient number, since it is larger than the sum of its proper divisors (7117193).

40709383 is a wasteful number, since it uses less digits than its factorization.

40709383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284705.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 40709383 is about 6380.3905052904. The cubic root of 40709383 is about 344.0050674168.

The spelling of 40709383 in words is "forty million, seven hundred nine thousand, three hundred eighty-three".

Divisors: 1 11 13 143 284681 3131491 3700853 40709383