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14988942 = 2331971409
BaseRepresentation
bin111001001011…
…011010001110
31001012111222000
4321023122032
512314121232
61253133130
7241255353
oct71133216
931174860
1014988942
118508461
12502a1a6
13314a5c7
141dc262a
1514b127c
hexe4b68e

14988942 has 32 divisors (see below), whose sum is σ = 33501600. Its totient is φ = 4967424.

The previous prime is 14988937. The next prime is 14988943. The reversal of 14988942 is 24988941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14988943) 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 15 ways as a sum of consecutive naturals, for example, 9934 + ... + 11342.

It is an arithmetic number, because the mean of its divisors is an integer number (1046925).

Almost surely, 214988942 is an apocalyptic number.

14988942 is an abundant number, since it is smaller than the sum of its proper divisors (18512658).

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

14988942 is a wasteful number, since it uses less digits than its factorization.

14988942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617 (or 1611 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 14988942 is about 3871.5555013457. Note that the first 4 decimals coincide. The cubic root of 14988942 is about 246.5605894834.

Subtracting 14988942 from its reverse (24988941), we obtain a palindrome (9999999).

It can be divided in two parts, 1498 and 8942, that added together give a triangular number (10440 = T144).

The spelling of 14988942 in words is "fourteen million, nine hundred eighty-eight thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 197 394 591 1182 1409 1773 2818 3546 4227 5319 8454 10638 12681 25362 38043 76086 277573 555146 832719 1665438 2498157 4996314 7494471 14988942