Search a number
-
+
1163380 = 22558169
BaseRepresentation
bin100011100000001110100
32012002212011
410130001310
5244212010
640534004
712613531
oct4340164
92162764
101163380
11725079
12481304
133196ba
14223d88
1517ea8a
hex11c074

1163380 has 12 divisors (see below), whose sum is σ = 2443140. Its totient is φ = 465344.

The previous prime is 1163353. The next prime is 1163417. The reversal of 1163380 is 833611.

It can be written as a sum of positive squares in 2 ways, for example, as 381924 + 781456 = 618^2 + 884^2 .

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, 29065 + ... + 29104.

It is an arithmetic number, because the mean of its divisors is an integer number (203595).

21163380 is an apocalyptic number.

1163380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1163380 is an abundant number, since it is smaller than the sum of its proper divisors (1279760).

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

1163380 is a wasteful number, since it uses less digits than its factorization.

1163380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58178 (or 58176 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1163380 is about 1078.6009456699. The cubic root of 1163380 is about 105.1737109442.

Adding to 1163380 its reverse (833611), we get a palindrome (1996991).

The spelling of 1163380 in words is "one million, one hundred sixty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 58169 116338 232676 290845 581690 1163380