Search a number
-
+
11428901 = 114012591
BaseRepresentation
bin101011100110…
…010000100101
3210111122111122
4223212100211
510411211101
61044543325
7166100261
oct53462045
923448448
1011428901
1164a6780
1239b1b45
1324a2083
1417370a1
15100b51b
hexae6425

11428901 has 8 divisors (see below), whose sum is σ = 12503808. Its totient is φ = 10360000.

The previous prime is 11428897. The next prime is 11428903. The reversal of 11428901 is 10982411.

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

It is a cyclic number.

It is not a de Polignac number, because 11428901 - 22 = 11428897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11428903) 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 7 ways as a sum of consecutive naturals, for example, 3116 + ... + 5706.

It is an arithmetic number, because the mean of its divisors is an integer number (1562976).

Almost surely, 211428901 is an apocalyptic number.

11428901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11428901 is a deficient number, since it is larger than the sum of its proper divisors (1074907).

11428901 is a wasteful number, since it uses less digits than its factorization.

11428901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 11428901 is about 3380.6657628343. The cubic root of 11428901 is about 225.2517412795.

The spelling of 11428901 in words is "eleven million, four hundred twenty-eight thousand, nine hundred one".

Divisors: 1 11 401 2591 4411 28501 1038991 11428901