Search a number
-
+
11427040 = 25571419
BaseRepresentation
bin101011100101…
…110011100000
3210111112221201
4223211303200
510411131130
61044530544
7166061662
oct53456340
923445851
1011427040
1164a5339
1239b0a54
1324a1281
141736532
15100abca
hexae5ce0

11427040 has 24 divisors (see below), whose sum is σ = 26996760. Its totient is φ = 4570752.

The previous prime is 11427029. The next prime is 11427041. The reversal of 11427040 is 4072411.

11427040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11426999 and 11427017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11427041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35550 + ... + 35869.

It is an arithmetic number, because the mean of its divisors is an integer number (1124865).

Almost surely, 211427040 is an apocalyptic number.

11427040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11427040 is an abundant number, since it is smaller than the sum of its proper divisors (15569720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11427040 is an equidigital number, since it uses as much as digits as its factorization.

11427040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71434 (or 71426 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 11427040 is about 3380.3905099855. The cubic root of 11427040 is about 225.2395144916.

Adding to 11427040 its reverse (4072411), we get a palindrome (15499451).

The spelling of 11427040 in words is "eleven million, four hundred twenty-seven thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 71419 142838 285676 357095 571352 714190 1142704 1428380 2285408 2856760 5713520 11427040