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8194972 = 2212291667
BaseRepresentation
bin11111010000101110011100
3120102100101111
4133100232130
54044214342
6451351404
7126441022
oct37205634
916370344
108194972
114698005
1228b2564
13190c0c6
141134712
15abd217
hex7d0b9c

8194972 has 12 divisors (see below), whose sum is σ = 14361480. Its totient is φ = 4091696.

The previous prime is 8194961. The next prime is 8194981. The reversal of 8194972 is 2794918.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4083 + ... + 5749.

It is an arithmetic number, because the mean of its divisors is an integer number (1196790).

Almost surely, 28194972 is an apocalyptic number.

It is an amenable number.

8194972 is a deficient number, since it is larger than the sum of its proper divisors (6166508).

8194972 is a wasteful number, since it uses less digits than its factorization.

8194972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900 (or 2898 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 8194972 is about 2862.6861511524. The cubic root of 8194972 is about 201.6117431956.

The spelling of 8194972 in words is "eight million, one hundred ninety-four thousand, nine hundred seventy-two".

Divisors: 1 2 4 1229 1667 2458 3334 4916 6668 2048743 4097486 8194972