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2900 = 225229
BaseRepresentation
bin101101010100
310222102
4231110
543100
621232
711312
oct5524
93872
102900
1121a7
121818
131421
1410b2
15cd5
hexb54

2900 has 18 divisors (see below), whose sum is σ = 6510. Its totient is φ = 1120.

The previous prime is 2897. The next prime is 2903. The reversal of 2900 is 92.

Subtracting from 2900 its product of nonzero digits (18), we obtain a palindrome (2882).

Adding to 2900 its reverse (92), we get a palindrome (2992).

2900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2900 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (2897) and next prime (2903).

It can be written as a sum of positive squares in 3 ways, for example, as 196 + 2704 = 14^2 + 52^2 .

It is a sliding number, since 2900 = 400 + 2500 and 1/400 + 1/2500 = 0.002900.

2900 is an undulating number in base 12.

It is a nialpdrome in base 5 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86 + ... + 114.

22900 is an apocalyptic number.

2900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3255).

2900 is an abundant number, since it is smaller than the sum of its proper divisors (3610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2900 is a wasteful number, since it uses less digits than its factorization.

2900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 2900 is about 53.8516480713. The cubic root of 2900 is about 14.2604314714.

The spelling of 2900 in words is "two thousand, nine hundred".