Search a number
-
+
1322836880 = 24540940429
BaseRepresentation
bin100111011011000…
…1110001110010000
310102012011002001112
41032312032032100
510202121240010
6335132552452
744531633201
oct11666161620
93365132045
101322836880
11619785a22
1230b022728
131810a2721
14c79875a8
157b201a05
hex4ed8e390

1322836880 has 40 divisors (see below), whose sum is σ = 3083191800. Its totient is φ = 527827968.

The previous prime is 1322836847. The next prime is 1322836891. The reversal of 1322836880 is 886382231.

It can be written as a sum of positive squares in 4 ways, for example, as 658640896 + 664195984 = 25664^2 + 25772^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×13228368802 = 3499794822176268800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12506 + ... + 52934.

It is an arithmetic number, because the mean of its divisors is an integer number (77079795).

Almost surely, 21322836880 is an apocalyptic number.

1322836880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322836880 is an abundant number, since it is smaller than the sum of its proper divisors (1760354920).

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

1322836880 is a wasteful number, since it uses less digits than its factorization.

1322836880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40851 (or 40845 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 1322836880 is about 36370.8245713511. The cubic root of 1322836880 is about 1097.7465935450.

The spelling of 1322836880 in words is "one billion, three hundred twenty-two million, eight hundred thirty-six thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 409 818 1636 2045 3272 4090 6544 8180 16360 32720 40429 80858 161716 202145 323432 404290 646864 808580 1617160 3234320 16535461 33070922 66141844 82677305 132283688 165354610 264567376 330709220 661418440 1322836880