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8474 = 219223
BaseRepresentation
bin10000100011010
3102121212
42010122
5232344
6103122
733464
oct20432
912555
108474
116404
124aa2
133b1b
143134
15279e
hex211a

8474 has 8 divisors (see below), whose sum is σ = 13440. Its totient is φ = 3996.

The previous prime is 8467. The next prime is 8501. The reversal of 8474 is 4748.

It can be divided in two parts, 84 and 74, that multiplied together give a triangular number (6216 = T111).

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

It is a cake number, because a cake can be divided into 8474 parts by 37 planar cuts.

It is a plaindrome in base 9 and base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74 + ... + 149.

It is an arithmetic number, because the mean of its divisors is an integer number (1680).

28474 is an apocalyptic number.

8474 is a deficient number, since it is larger than the sum of its proper divisors (4966).

8474 is a wasteful number, since it uses less digits than its factorization.

8474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244.

The product of its digits is 896, while the sum is 23.

The square root of 8474 is about 92.0543317829. The cubic root of 8474 is about 20.3874458192.

The spelling of 8474 in words is "eight thousand, four hundred seventy-four".

Divisors: 1 2 19 38 223 446 4237 8474