Search a number
-
+
2197060 = 225372969
BaseRepresentation
bin1000011000011001000100
311010121210121
420120121010
51030301220
6115031324
724450265
oct10303104
94117717
102197060
111270758
1289b544
135bc048
1441296c
152d5eaa
hex218644

2197060 has 24 divisors (see below), whose sum is σ = 4740120. Its totient is φ = 854784.

The previous prime is 2197049. The next prime is 2197087. The reversal of 2197060 is 607912.

It can be written as a sum of positive squares in 4 ways, for example, as 82944 + 2114116 = 288^2 + 1454^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745 + ... + 2224.

It is an arithmetic number, because the mean of its divisors is an integer number (197505).

22197060 is an apocalyptic number.

2197060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2197060 is an abundant number, since it is smaller than the sum of its proper divisors (2543060).

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

2197060 is a wasteful number, since it uses less digits than its factorization.

2197060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015 (or 3013 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 2197060 is about 1482.2482922911. The cubic root of 2197060 is about 130.0011834212.

The spelling of 2197060 in words is "two million, one hundred ninety-seven thousand, sixty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 2969 5938 11876 14845 29690 59380 109853 219706 439412 549265 1098530 2197060