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2137230 = 232523747
BaseRepresentation
bin1000001001110010001110
311000120201200
420021302032
51021342410
6113450330
724110664
oct10116216
94016650
102137230
11122a807
128709a6
1359aa44
143d8c34
152c33c0
hex209c8e

2137230 has 24 divisors (see below), whose sum is σ = 5557032. Its totient is φ = 569904.

The previous prime is 2137211. The next prime is 2137237. The reversal of 2137230 is 327312.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11784 + ... + 11963.

It is an arithmetic number, because the mean of its divisors is an integer number (231543).

22137230 is an apocalyptic number.

2137230 is an abundant number, since it is smaller than the sum of its proper divisors (3419802).

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

2137230 is a wasteful number, since it uses less digits than its factorization.

2137230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23760 (or 23757 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 2137230 is about 1461.9268107535. The cubic root of 2137230 is about 128.8102492391.

The spelling of 2137230 in words is "two million, one hundred thirty-seven thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 23747 47494 71241 118735 142482 213723 237470 356205 427446 712410 1068615 2137230