Search a number
-
+
19948000 = 25534987
BaseRepresentation
bin100110000011…
…0000111100000
31101112110111211
41030012013200
520101314000
61551315504
7331361302
oct114060740
941473454
1019948000
1110295256
12681bb94
134195867
142913972
151b407ba
hex13061e0

19948000 has 48 divisors (see below), whose sum is σ = 49022064. Its totient is φ = 7977600.

The previous prime is 19947997. The next prime is 19948009. The reversal of 19948000 is 84991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19948009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1507 + ... + 6493.

It is an arithmetic number, because the mean of its divisors is an integer number (1021293).

Almost surely, 219948000 is an apocalyptic number.

19948000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19948000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24511032).

19948000 is an abundant number, since it is smaller than the sum of its proper divisors (29074064).

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

19948000 is an equidigital number, since it uses as much as digits as its factorization.

19948000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012 (or 4994 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 19948000 is about 4466.3183943826. The cubic root of 19948000 is about 271.2063079548.

The spelling of 19948000 in words is "nineteen million, nine hundred forty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 4987 9974 19948 24935 39896 49870 79792 99740 124675 159584 199480 249350 398960 498700 623375 797920 997400 1246750 1994800 2493500 3989600 4987000 9974000 19948000