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2249180 = 225112459
BaseRepresentation
bin1000100101000111011100
311020021021222
420211013130
51033433210
6120112512
725055243
oct10450734
94207258
102249180
1112a692a
12905738
1360999b
1442795a
152e6655
hex2251dc

2249180 has 12 divisors (see below), whose sum is σ = 4723320. Its totient is φ = 899664.

The previous prime is 2249179. The next prime is 2249183. The reversal of 2249180 is 819422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56210 + ... + 56249.

It is an arithmetic number, because the mean of its divisors is an integer number (393610).

22249180 is an apocalyptic number.

2249180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2249180 is an abundant number, since it is smaller than the sum of its proper divisors (2474140).

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

2249180 is a wasteful number, since it uses less digits than its factorization.

2249180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112468 (or 112466 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2249180 is about 1499.7266417584. The cubic root of 2249180 is about 131.0211491989.

The spelling of 2249180 in words is "two million, two hundred forty-nine thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 112459 224918 449836 562295 1124590 2249180