Search a number
-
+
18929932 = 227676069
BaseRepresentation
bin100100000110…
…1100100001100
31022121201222121
41020031210030
514321224212
61513422324
7316621210
oct110154414
938551877
1018929932
11a75a37a
12640a9a4
133bca358
14272a940
1519ddd07
hex120d90c

18929932 has 12 divisors (see below), whose sum is σ = 37859920. Its totient is φ = 8112816.

The previous prime is 18929923. The next prime is 18929969. The reversal of 18929932 is 23992981.

18929932 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338007 + ... + 338062.

Almost surely, 218929932 is an apocalyptic number.

It is an amenable number.

18929932 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18929932 is a wasteful number, since it uses less digits than its factorization.

18929932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676080 (or 676078 counting only the distinct ones).

The product of its digits is 69984, while the sum is 43.

The square root of 18929932 is about 4350.8541690110. The cubic root of 18929932 is about 266.5117440414.

The spelling of 18929932 in words is "eighteen million, nine hundred twenty-nine thousand, nine hundred thirty-two".

Divisors: 1 2 4 7 14 28 676069 1352138 2704276 4732483 9464966 18929932