Search a number
-
+
1038980 = 22551949
BaseRepresentation
bin11111101101010000100
31221210012202
43331222010
5231221410
634134032
711555045
oct3755204
91853182
101038980
1164a668
12421318
132a4ba7
141d08cc
15157ca5
hexfda84

1038980 has 12 divisors (see below), whose sum is σ = 2181900. Its totient is φ = 415584.

The previous prime is 1038953. The next prime is 1039001. The reversal of 1038980 is 898301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 295936 + 743044 = 544^2 + 862^2 .

It is a nialpdrome in base 16.

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, 25955 + ... + 25994.

It is an arithmetic number, because the mean of its divisors is an integer number (181825).

21038980 is an apocalyptic number.

1038980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1038980 is an abundant number, since it is smaller than the sum of its proper divisors (1142920).

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

1038980 is a wasteful number, since it uses less digits than its factorization.

1038980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51958 (or 51956 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1038980 is about 1019.3036838941. The cubic root of 1038980 is about 101.2828070286.

The spelling of 1038980 in words is "one million, thirty-eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 51949 103898 207796 259745 519490 1038980