Search a number
-
+
11428101 = 331922277
BaseRepresentation
bin101011100110…
…000100000101
3210111121102000
4223212010011
510411144401
61044535513
7166065036
oct53460405
923447360
1011428101
1164a6113
1239b1599
1324a18b9
141736a8d
15100b186
hexae6105

11428101 has 16 divisors (see below), whose sum is σ = 17822400. Its totient is φ = 7217424.

The previous prime is 11428069. The next prime is 11428111. The reversal of 11428101 is 10182411.

It is not a de Polignac number, because 11428101 - 25 = 11428069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11428111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10626 + ... + 11651.

It is an arithmetic number, because the mean of its divisors is an integer number (1113900).

Almost surely, 211428101 is an apocalyptic number.

It is an amenable number.

11428101 is a deficient number, since it is larger than the sum of its proper divisors (6394299).

11428101 is a wasteful number, since it uses less digits than its factorization.

11428101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22305 (or 22299 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 11428101 is about 3380.5474408740. The cubic root of 11428101 is about 225.2464854344.

The spelling of 11428101 in words is "eleven million, four hundred twenty-eight thousand, one hundred one".

Divisors: 1 3 9 19 27 57 171 513 22277 66831 200493 423263 601479 1269789 3809367 11428101