Search a number
-
+
11453838 = 2311173543
BaseRepresentation
bin101011101100…
…010110001110
3210112220201020
4223230112032
510413010323
61045255010
7166233054
oct53542616
923486636
1011453838
116513490
123a04466
1324b0526
1417421d4
151013ae3
hexaec58e

11453838 has 16 divisors (see below), whose sum is σ = 24990336. Its totient is φ = 3470840.

The previous prime is 11453837. The next prime is 11453873. The reversal of 11453838 is 83835411.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 11453799 and 11453808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11453833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86706 + ... + 86837.

It is an arithmetic number, because the mean of its divisors is an integer number (1561896).

Almost surely, 211453838 is an apocalyptic number.

11453838 is an abundant number, since it is smaller than the sum of its proper divisors (13536498).

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

11453838 is a wasteful number, since it uses less digits than its factorization.

11453838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173559.

The product of its digits is 11520, while the sum is 33.

The square root of 11453838 is about 3384.3519320543. The cubic root of 11453838 is about 225.4154497075.

The spelling of 11453838 in words is "eleven million, four hundred fifty-three thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 173543 347086 520629 1041258 1908973 3817946 5726919 11453838