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2135830 = 251371559
BaseRepresentation
bin1000001001011100010110
311000111210211
420021130112
51021321310
6113440034
724103624
oct10113426
94014724
102135830
111229754
1287001a
1359a208
143d8514
152c2c8a
hex209716

2135830 has 16 divisors (see below), whose sum is σ = 3875040. Its totient is φ = 847552.

The previous prime is 2135797. The next prime is 2135831. The reversal of 2135830 is 385312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591 + ... + 2149.

It is an arithmetic number, because the mean of its divisors is an integer number (242190).

22135830 is an apocalyptic number.

2135830 is a deficient number, since it is larger than the sum of its proper divisors (1739210).

2135830 is a wasteful number, since it uses less digits than its factorization.

2135830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2135830 is about 1461.4479121748. The cubic root of 2135830 is about 128.7821172271.

The spelling of 2135830 in words is "two million, one hundred thirty-five thousand, eight hundred thirty".

Divisors: 1 2 5 10 137 274 685 1370 1559 3118 7795 15590 213583 427166 1067915 2135830