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19683952 = 242389601
BaseRepresentation
bin100101100010…
…1101001110000
31101001001022021
41023011221300
520014341302
61541521224
7326211421
oct113055160
941031267
1019683952
1110124932
126713214
134102612
142885648
151adc437
hex12c5a70

19683952 has 40 divisors (see below), whose sum is σ = 40309920. Its totient is φ = 9292800.

The previous prime is 19683947. The next prime is 19683959. The reversal of 19683952 is 25938691.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19683899 and 19683908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19683959) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32452 + ... + 33052.

It is an arithmetic number, because the mean of its divisors is an integer number (1007748).

Almost surely, 219683952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19683952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20154960).

19683952 is an abundant number, since it is smaller than the sum of its proper divisors (20625968).

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

19683952 is a wasteful number, since it uses less digits than its factorization.

19683952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721 (or 715 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 19683952 is about 4436.6600050038. The cubic root of 19683952 is about 270.0043529248.

It can be divided in two parts, 196 and 83952, that added together give a palindrome (84148).

The spelling of 19683952 in words is "nineteen million, six hundred eighty-three thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 23 46 89 92 178 184 356 368 601 712 1202 1424 2047 2404 4094 4808 8188 9616 13823 16376 27646 32752 53489 55292 106978 110584 213956 221168 427912 855824 1230247 2460494 4920988 9841976 19683952