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2137180 = 225106859
BaseRepresentation
bin1000001001110001011100
311000120122211
420021301130
51021342210
6113450204
724110563
oct10116134
94016584
102137180
11122a771
12870964
1359aa06
143d8bda
152c338a
hex209c5c

2137180 has 12 divisors (see below), whose sum is σ = 4488120. Its totient is φ = 854864.

The previous prime is 2137159. The next prime is 2137193. The reversal of 2137180 is 817312.

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, 53410 + ... + 53449.

It is an arithmetic number, because the mean of its divisors is an integer number (374010).

22137180 is an apocalyptic number.

2137180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2137180 is an abundant number, since it is smaller than the sum of its proper divisors (2350940).

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

2137180 is a wasteful number, since it uses less digits than its factorization.

2137180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106868 (or 106866 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 2137180 is about 1461.9097099342. The cubic root of 2137180 is about 128.8092447359.

The spelling of 2137180 in words is "two million, one hundred thirty-seven thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 106859 213718 427436 534295 1068590 2137180