Search a number
-
+
11814940 = 2251075521
BaseRepresentation
bin101101000100…
…100000011100
3211020021001101
4231010200130
511011034230
61101122444
7202265614
oct55044034
924207041
1011814940
11673a815
123b59424
1325a89b7
1417d7a44
151085aca
hexb4481c

11814940 has 24 divisors (see below), whose sum is σ = 25047792. Its totient is φ = 4680960.

The previous prime is 11814931. The next prime is 11814947. The reversal of 11814940 is 4941811.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11814899 and 11814908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11814947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621 + ... + 4900.

It is an arithmetic number, because the mean of its divisors is an integer number (1043658).

Almost surely, 211814940 is an apocalyptic number.

11814940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11814940 is an abundant number, since it is smaller than the sum of its proper divisors (13232852).

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

11814940 is a wasteful number, since it uses less digits than its factorization.

With its successor (11814941) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (5635).

11814940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5637 (or 5635 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 11814940 is about 3437.2867206563. The cubic root of 11814940 is about 227.7598528208.

The spelling of 11814940 in words is "eleven million, eight hundred fourteen thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 5521 11042 22084 27605 55210 110420 590747 1181494 2362988 2953735 5907470 11814940