Search a number
-
+
40404202 = 238352747
BaseRepresentation
bin1001101000100…
…0010011101010
32211000202010221
42122020103222
540320413302
64002000254
71000300336
oct232102352
984022127
1040404202
1120897303
121164608a
1384a8817
14551a7c6
153831937
hex26884ea

40404202 has 8 divisors (see below), whose sum is σ = 60765696. Its totient is φ = 20148972.

The previous prime is 40404173. The next prime is 40404209. The reversal of 40404202 is 20240404.

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

It is not an unprimeable number, because it can be changed into a prime (40404209) 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 3 ways as a sum of consecutive naturals, for example, 25608 + ... + 27139.

It is an arithmetic number, because the mean of its divisors is an integer number (7595712).

Almost surely, 240404202 is an apocalyptic number.

40404202 is a deficient number, since it is larger than the sum of its proper divisors (20361494).

40404202 is a wasteful number, since it uses less digits than its factorization.

40404202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53132.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 40404202 is about 6356.4299728700. The cubic root of 40404202 is about 343.1432902660.

Adding to 40404202 its reverse (20240404), we get a palindrome (60644606).

The spelling of 40404202 in words is "forty million, four hundred four thousand, two hundred two".

Divisors: 1 2 383 766 52747 105494 20202101 40404202