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8395972 = 2213161461
BaseRepresentation
bin100000000001…
…110011000100
3120210120002221
4200001303010
54122132342
6455542124
7131236024
oct40016304
916716087
108395972
114815022
12298a944
13197c740
141187a84
15b0ca67
hex801cc4

8395972 has 12 divisors (see below), whose sum is σ = 15823276. Its totient is φ = 3875040.

The previous prime is 8395957. The next prime is 8395973. The reversal of 8395972 is 2795938.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1552516 + 6843456 = 1246^2 + 2616^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8395973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80679 + ... + 80782.

Almost surely, 28395972 is an apocalyptic number.

It is an amenable number.

8395972 is a deficient number, since it is larger than the sum of its proper divisors (7427304).

8395972 is a wasteful number, since it uses less digits than its factorization.

8395972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161478 (or 161476 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 8395972 is about 2897.5803698949. The cubic root of 8395972 is about 203.2467737511.

The spelling of 8395972 in words is "eight million, three hundred ninety-five thousand, nine hundred seventy-two".

Divisors: 1 2 4 13 26 52 161461 322922 645844 2098993 4197986 8395972