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2135371 = 7243579
BaseRepresentation
bin1000001001010101001011
311000111011211
420021111023
51021312441
6113433551
724102400
oct10112513
94014154
102135371
111229377
1286b8b7
13599c44
143d82a7
152c2a81
hex20954b

2135371 has 6 divisors (see below), whose sum is σ = 2484060. Its totient is φ = 1830276.

The previous prime is 2135369. The next prime is 2135383. The reversal of 2135371 is 1735312.

It is not a de Polignac number, because 2135371 - 21 = 2135369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2135971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21741 + ... + 21838.

It is an arithmetic number, because the mean of its divisors is an integer number (414010).

22135371 is an apocalyptic number.

2135371 is a deficient number, since it is larger than the sum of its proper divisors (348689).

2135371 is an equidigital number, since it uses as much as digits as its factorization.

2135371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43593 (or 43586 counting only the distinct ones).

The product of its digits is 630, while the sum is 22.

The square root of 2135371 is about 1461.2908676920. The cubic root of 2135371 is about 128.7728912702.

The spelling of 2135371 in words is "two million, one hundred thirty-five thousand, three hundred seventy-one".

Divisors: 1 7 49 43579 305053 2135371