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2974 = 21487
BaseRepresentation
bin101110011110
311002011
4232132
543344
621434
711446
oct5636
94064
102974
112264
12187a
13147a
141126
15d34
hexb9e

2974 has 4 divisors (see below), whose sum is σ = 4464. Its totient is φ = 1486.

The previous prime is 2971. The next prime is 2999. The reversal of 2974 is 4792.

2974 = T16 + T17 + ... + T27.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 7, base 13 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742 + ... + 745.

It is an arithmetic number, because the mean of its divisors is an integer number (1116).

2974 is a deficient number, since it is larger than the sum of its proper divisors (1490).

2974 is a wasteful number, since it uses less digits than its factorization.

2974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489.

The product of its digits is 504, while the sum is 22.

The square root of 2974 is about 54.5343928177. The cubic root of 2974 is about 14.3807097671.

The spelling of 2974 in words is "two thousand, nine hundred seventy-four".

Divisors: 1 2 1487 2974