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2880069 = 37313151
BaseRepresentation
bin1010111111001001000101
312102022201020
422333021011
51214130234
6141421353
733323463
oct12771105
95368636
102880069
111697925
12b6a859
1379abaa
1454d833
153bd549
hex2bf245

2880069 has 8 divisors (see below), whose sum is σ = 3892992. Its totient is φ = 1893600.

The previous prime is 2880067. The next prime is 2880071. The reversal of 2880069 is 9600882.

It is an interprime number because it is at equal distance from previous prime (2880067) and next prime (2880071).

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

It is not a de Polignac number, because 2880069 - 21 = 2880067 is a prime.

It is a super-2 number, since 2×28800692 = 16589594889522, which contains 22 as substring.

2880069 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2880067) 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, 6357 + ... + 6794.

It is an arithmetic number, because the mean of its divisors is an integer number (486624).

22880069 is an apocalyptic number.

It is an amenable number.

2880069 is a deficient number, since it is larger than the sum of its proper divisors (1012923).

2880069 is a wasteful number, since it uses less digits than its factorization.

2880069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13227.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 2880069 is about 1697.0766040459. The cubic root of 2880069 is about 142.2768684003.

The spelling of 2880069 in words is "two million, eight hundred eighty thousand, sixty-nine".

Divisors: 1 3 73 219 13151 39453 960023 2880069