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2874309 = 31756359
BaseRepresentation
bin1010111101101111000101
312102000210220
422331233011
51213434214
6141334553
733300624
oct12755705
95360726
102874309
111693569
12b67459
13798399
1454b6bb
153bb9a9
hex2bdbc5

2874309 has 8 divisors (see below), whose sum is σ = 4057920. Its totient is φ = 1803456.

The previous prime is 2874307. The next prime is 2874317. The reversal of 2874309 is 9034782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2874309 - 21 = 2874307 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2874309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2874307) 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, 28129 + ... + 28230.

It is an arithmetic number, because the mean of its divisors is an integer number (507240).

22874309 is an apocalyptic number.

It is an amenable number.

2874309 is a deficient number, since it is larger than the sum of its proper divisors (1183611).

2874309 is a wasteful number, since it uses less digits than its factorization.

2874309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56379.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2874309 is about 1695.3787187528. The cubic root of 2874309 is about 142.1819561257.

The spelling of 2874309 in words is "two million, eight hundred seventy-four thousand, three hundred nine".

Divisors: 1 3 17 51 56359 169077 958103 2874309