Search a number
-
+
1324880 = 24516561
BaseRepresentation
bin101000011011101010000
32111022101122
411003131100
5314344010
644221412
714155424
oct5033520
92438348
101324880
11825447
1253a868
1337506b
14266b84
151b2855
hex143750

1324880 has 20 divisors (see below), whose sum is σ = 3080532. Its totient is φ = 529920.

The previous prime is 1324871. The next prime is 1324907. The reversal of 1324880 is 884231.

It can be written as a sum of positive squares in 2 ways, for example, as 226576 + 1098304 = 476^2 + 1048^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8201 + ... + 8360.

21324880 is an apocalyptic number.

1324880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1324880 is an abundant number, since it is smaller than the sum of its proper divisors (1755652).

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

1324880 is a wasteful number, since it uses less digits than its factorization.

1324880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16574 (or 16568 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1324880 is about 1151.0343174728. The cubic root of 1324880 is about 109.8311458939.

The spelling of 1324880 in words is "one million, three hundred twenty-four thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 16561 33122 66244 82805 132488 165610 264976 331220 662440 1324880