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2135438 = 217181347
BaseRepresentation
bin1000001001010110001110
311000111021022
420021112032
51021313223
6113434142
724102524
oct10112616
94014238
102135438
111229428
1286b952
13599c96
143d8314
152c2ac8
hex20958e

2135438 has 16 divisors (see below), whose sum is σ = 3420144. Its totient is φ = 996480.

The previous prime is 2135417. The next prime is 2135447. The reversal of 2135438 is 8345312.

It is a super-3 number, since 3×21354383 = 29213403334484543016, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5981 + ... + 6327.

It is an arithmetic number, because the mean of its divisors is an integer number (213759).

22135438 is an apocalyptic number.

2135438 is a deficient number, since it is larger than the sum of its proper divisors (1284706).

2135438 is a wasteful number, since it uses less digits than its factorization.

2135438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547.

The product of its digits is 2880, while the sum is 26.

The square root of 2135438 is about 1461.3137924484. The cubic root of 2135438 is about 128.7742380609.

The spelling of 2135438 in words is "two million, one hundred thirty-five thousand, four hundred thirty-eight".

Divisors: 1 2 17 34 181 347 362 694 3077 5899 6154 11798 62807 125614 1067719 2135438