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2938 = 213113
BaseRepresentation
bin101101111010
311000211
4231322
543223
621334
711365
oct5572
94024
102938
112231
12184a
131450
1410dc
15d0d
hexb7a

2938 has 8 divisors (see below), whose sum is σ = 4788. Its totient is φ = 1344.

The previous prime is 2927. The next prime is 2939. The reversal of 2938 is 8392.

2938 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 2 ways, for example, as 2209 + 729 = 47^2 + 27^2 .

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

2938 is an undulating number in base 15.

It is not an unprimeable number, because it can be changed into a prime (2939) 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, 31 + ... + 82.

2938 is a deficient number, since it is larger than the sum of its proper divisors (1850).

2938 is a wasteful number, since it uses less digits than its factorization.

2938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128.

The product of its digits is 432, while the sum is 22.

The square root of 2938 is about 54.2033209315. The cubic root of 2938 is about 14.3224483189.

Subtracting from 2938 its sum of digits (22), we obtain a square (2916 = 542).

The spelling of 2938 in words is "two thousand, nine hundred thirty-eight".

Divisors: 1 2 13 26 113 226 1469 2938