Search a number
-
+
2261080 = 23556527
BaseRepresentation
bin1000101000000001011000
311020212121201
420220001120
51034323310
6120243544
725135033
oct10500130
94225551
102261080
111304868
129105b4
13612223
1442c01a
152e9e3a
hex228058

2261080 has 16 divisors (see below), whose sum is σ = 5087520. Its totient is φ = 904416.

The previous prime is 2261071. The next prime is 2261093. The reversal of 2261080 is 801622.

It is a happy number.

It is a super-2 number, since 2×22610802 = 10224965532800, which contains 22 as substring.

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, 28224 + ... + 28303.

It is an arithmetic number, because the mean of its divisors is an integer number (317970).

22261080 is an apocalyptic number.

2261080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2261080 is an abundant number, since it is smaller than the sum of its proper divisors (2826440).

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

2261080 is a wasteful number, since it uses less digits than its factorization.

2261080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56538 (or 56534 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2261080 is about 1503.6887975908. The cubic root of 2261080 is about 131.2518125222.

The spelling of 2261080 in words is "two million, two hundred sixty-one thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 56527 113054 226108 282635 452216 565270 1130540 2261080