Search a number
-
+
7427404 = 221997729
BaseRepresentation
bin11100010101010101001100
3111222100111001
4130111111030
53400134104
6423110044
7120063145
oct34252514
914870431
107427404
114213356
1225a2324
13170091a
14db4acc
159baaa4
hex71554c

7427404 has 12 divisors (see below), whose sum is σ = 13682200. Its totient is φ = 3518208.

The previous prime is 7427353. The next prime is 7427443. The reversal of 7427404 is 4047247.

It is an unprimeable number.

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, 48789 + ... + 48940.

Almost surely, 27427404 is an apocalyptic number.

It is an amenable number.

7427404 is a deficient number, since it is larger than the sum of its proper divisors (6254796).

7427404 is a wasteful number, since it uses less digits than its factorization.

7427404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97752 (or 97750 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 7427404 is about 2725.3264024700. The cubic root of 7427404 is about 195.1097694483.

The spelling of 7427404 in words is "seven million, four hundred twenty-seven thousand, four hundred four".

Divisors: 1 2 4 19 38 76 97729 195458 390916 1856851 3713702 7427404