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2872079 = 72317839
BaseRepresentation
bin1010111101001100001111
312101220202022
422331030033
51213401304
6141320355
733261260
oct12751417
95356668
102872079
111691921
12b660bb
13797372
1454a967
153baebe
hex2bd30f

2872079 has 8 divisors (see below), whose sum is σ = 3425280. Its totient is φ = 2354616.

The previous prime is 2872069. The next prime is 2872081. The reversal of 2872079 is 9702782.

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

It is a cyclic number.

It is not a de Polignac number, because 2872079 - 216 = 2806543 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 (2872019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8759 + ... + 9080.

It is an arithmetic number, because the mean of its divisors is an integer number (428160).

22872079 is an apocalyptic number.

2872079 is a deficient number, since it is larger than the sum of its proper divisors (553201).

2872079 is a wasteful number, since it uses less digits than its factorization.

2872079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17869.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 2872079 is about 1694.7209209778. The cubic root of 2872079 is about 142.1451765270.

The spelling of 2872079 in words is "two million, eight hundred seventy-two thousand, seventy-nine".

Divisors: 1 7 23 161 17839 124873 410297 2872079