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2880055 = 517311093
BaseRepresentation
bin1010111111001000110111
312102022200201
422333020313
51214130210
6141421331
733323443
oct12771067
95368621
102880055
111697912
12b6a847
1379ab99
1454d823
153bd53a
hex2bf237

2880055 has 16 divisors (see below), whose sum is σ = 3780864. Its totient is φ = 2096640.

The previous prime is 2880049. The next prime is 2880067. The reversal of 2880055 is 5500882.

It is not a de Polignac number, because 2880055 - 27 = 2879927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2089 + ... + 3181.

It is an arithmetic number, because the mean of its divisors is an integer number (236304).

22880055 is an apocalyptic number.

2880055 is a deficient number, since it is larger than the sum of its proper divisors (900809).

2880055 is a wasteful number, since it uses less digits than its factorization.

2880055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 2880055 is about 1697.0724793008. The cubic root of 2880055 is about 142.2766378643.

The spelling of 2880055 in words is "two million, eight hundred eighty thousand, fifty-five".

Divisors: 1 5 17 31 85 155 527 1093 2635 5465 18581 33883 92905 169415 576011 2880055