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84974 = 242487
BaseRepresentation
bin10100101111101110
311022120012
4110233232
510204344
61453222
7502511
oct245756
9138505
1084974
115892a
1241212
132c8a6
1422d78
151a29e
hex14bee

84974 has 4 divisors (see below), whose sum is σ = 127464. Its totient is φ = 42486.

The previous prime is 84967. The next prime is 84977. The reversal of 84974 is 47948.

It is a happy number.

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

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 84974.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 84974.

It is not an unprimeable number, because it can be changed into a prime (84977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21242 + ... + 21245.

It is an arithmetic number, because the mean of its divisors is an integer number (31866).

284974 is an apocalyptic number.

84974 is a deficient number, since it is larger than the sum of its proper divisors (42490).

84974 is a wasteful number, since it uses less digits than its factorization.

84974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42489.

The product of its digits is 8064, while the sum is 32.

The square root of 84974 is about 291.5030016998. The cubic root of 84974 is about 43.9638132224.

It can be divided in two parts, 849 and 74, that multiplied together give a palindrome (62826).

The spelling of 84974 in words is "eighty-four thousand, nine hundred seventy-four".

Divisors: 1 2 42487 84974