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2988163 = 10872749
BaseRepresentation
bin1011011001100010000011
312121210222201
423121202003
51231110123
6144014031
734253563
oct13314203
95553881
102988163
111761062
121001317
13808159
1457ada3
153e05ad
hex2d9883

2988163 has 4 divisors (see below), whose sum is σ = 2992000. Its totient is φ = 2984328.

The previous prime is 2988151. The next prime is 2988169. The reversal of 2988163 is 3618892.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2988163 - 29 = 2987651 is a prime.

It is a super-2 number, since 2×29881632 = 17858236229138, which contains 22 as substring.

It is a Duffinian number.

2988163 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2988169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288 + ... + 2461.

It is an arithmetic number, because the mean of its divisors is an integer number (748000).

22988163 is an apocalyptic number.

2988163 is a deficient number, since it is larger than the sum of its proper divisors (3837).

2988163 is a wasteful number, since it uses less digits than its factorization.

2988163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836.

The product of its digits is 20736, while the sum is 37.

The square root of 2988163 is about 1728.6303827019. The cubic root of 2988163 is about 144.0350191322.

The spelling of 2988163 in words is "two million, nine hundred eighty-eight thousand, one hundred sixty-three".

Divisors: 1 1087 2749 2988163