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2135439 = 32237271
BaseRepresentation
bin1000001001010110001111
311000111021100
420021112033
51021313224
6113434143
724102525
oct10112617
94014240
102135439
111229429
1286b953
13599c97
143d8315
152c2ac9
hex20958f

2135439 has 6 divisors (see below), whose sum is σ = 3084536. Its totient is φ = 1423620.

The previous prime is 2135417. The next prime is 2135447. The reversal of 2135439 is 9345312.

It is not a de Polignac number, because 2135439 - 25 = 2135407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135479) 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, 118627 + ... + 118644.

22135439 is an apocalyptic number.

2135439 is a deficient number, since it is larger than the sum of its proper divisors (949097).

2135439 is a wasteful number, since it uses less digits than its factorization.

2135439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237277 (or 237274 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 2135439 is about 1461.3141346062. The cubic root of 2135439 is about 128.7742581621.

The spelling of 2135439 in words is "two million, one hundred thirty-five thousand, four hundred thirty-nine".

Divisors: 1 3 9 237271 711813 2135439