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2988055 = 57591447
BaseRepresentation
bin1011011001100000010111
312121210211201
423121200113
51231104210
6144013331
734253350
oct13314027
95553751
102988055
111760a74
121001247
138080a5
1457ad27
153e053a
hex2d9817

2988055 has 16 divisors (see below), whose sum is σ = 4170240. Its totient is φ = 2012832.

The previous prime is 2988053. The next prime is 2988061. The reversal of 2988055 is 5508892.

It is a happy number.

2988055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2988055 - 21 = 2988053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2988053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1342 + ... + 2788.

It is an arithmetic number, because the mean of its divisors is an integer number (260640).

22988055 is an apocalyptic number.

2988055 is a deficient number, since it is larger than the sum of its proper divisors (1182185).

2988055 is a wasteful number, since it uses less digits than its factorization.

2988055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 2988055 is about 1728.5991438156. The cubic root of 2988055 is about 144.0332838443.

The spelling of 2988055 in words is "two million, nine hundred eighty-eight thousand, fifty-five".

Divisors: 1 5 7 35 59 295 413 1447 2065 7235 10129 50645 85373 426865 597611 2988055