Search a number
-
+
20110432 = 253971583
BaseRepresentation
bin100110010110…
…1110001100000
31101211201022211
41030231301200
520122013212
61555011504
7332635666
oct114556140
941751284
1020110432
11103962a1
126899b94
134221784
142956c36
151b739a7
hex132dc60

20110432 has 24 divisors (see below), whose sum is σ = 39717216. Its totient is φ = 10023552.

The previous prime is 20110429. The next prime is 20110481. The reversal of 20110432 is 23401102.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 11913 + ... + 13495.

It is an arithmetic number, because the mean of its divisors is an integer number (1654884).

Almost surely, 220110432 is an apocalyptic number.

It is an amenable number.

20110432 is a deficient number, since it is larger than the sum of its proper divisors (19606784).

20110432 is a wasteful number, since it uses less digits than its factorization.

20110432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990 (or 1982 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20110432 is about 4484.4656314883. The cubic root of 20110432 is about 271.9404425542.

Adding to 20110432 its reverse (23401102), we get a palindrome (43511534).

The spelling of 20110432 in words is "twenty million, one hundred ten thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 397 794 1583 1588 3166 3176 6332 6352 12664 12704 25328 50656 628451 1256902 2513804 5027608 10055216 20110432