Search a number
-
+
40242383 = 1738191
BaseRepresentation
bin1001100110000…
…0110011001111
32210201112011122
42121200303033
540300224013
63554311155
7666024506
oct231406317
983645148
1040242383
1120796775
12115884bb
13844cc7c
1454b783d
1537eda08
hex2660ccf

40242383 has 8 divisors (see below), whose sum is σ = 42762240. Its totient is φ = 37870560.

The previous prime is 40242337. The next prime is 40242403. The reversal of 40242383 is 38324204.

40242383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40242383 - 212 = 40238287 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 (40242313) 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, 818 + ... + 9008.

It is an arithmetic number, because the mean of its divisors is an integer number (5345280).

Almost surely, 240242383 is an apocalyptic number.

40242383 is a deficient number, since it is larger than the sum of its proper divisors (2519857).

40242383 is an frugal number, since it uses more digits than its factorization.

40242383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8242 (or 8208 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 40242383 is about 6343.6884381249. The cubic root of 40242383 is about 342.6845805653.

Adding to 40242383 its reverse (38324204), we get a palindrome (78566587).

The spelling of 40242383 in words is "forty million, two hundred forty-two thousand, three hundred eighty-three".

Divisors: 1 17 289 4913 8191 139247 2367199 40242383