Search a number
-
+
18773064 = 23321913723
BaseRepresentation
bin100011110011…
…1010001001000
31022022202210200
41013213101020
514301214224
61510212200
7315365652
oct107472110
938282720
1018773064
11a662532
126354060
133b73b2b
1426c96d2
1519ac5c9
hex11e7448

18773064 has 48 divisors (see below), whose sum is σ = 53523600. Its totient is φ = 5927904.

The previous prime is 18773021. The next prime is 18773071. The reversal of 18773064 is 46037781.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5494 + ... + 8229.

It is an arithmetic number, because the mean of its divisors is an integer number (1115075).

Almost surely, 218773064 is an apocalyptic number.

It is an amenable number.

18773064 is an abundant number, since it is smaller than the sum of its proper divisors (34750536).

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

18773064 is a wasteful number, since it uses less digits than its factorization.

18773064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13754 (or 13747 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 18773064 is about 4332.7894017596. The cubic root of 18773064 is about 265.7735272498.

The spelling of 18773064 in words is "eighteen million, seven hundred seventy-three thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 342 456 684 1368 13723 27446 41169 54892 82338 109784 123507 164676 247014 260737 329352 494028 521474 782211 988056 1042948 1564422 2085896 2346633 3128844 4693266 6257688 9386532 18773064