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7000172 = 223156453
BaseRepresentation
bin11010101101000001101100
3111011122102122
4122231001230
53243001142
6410012112
7113333444
oct32550154
914148378
107000172
113a51373
122417038
1315b131a
14d03124
159341d2
hex6ad06c

7000172 has 12 divisors (see below), whose sum is σ = 12645696. Its totient is φ = 3387120.

The previous prime is 7000171. The next prime is 7000181. The reversal of 7000172 is 2710007.

It is a happy number.

7000172 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 7000172.

It is not an unprimeable number, because it can be changed into a prime (7000171) 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 in 3 ways as a sum of consecutive naturals, for example, 28103 + ... + 28350.

It is an arithmetic number, because the mean of its divisors is an integer number (1053808).

Almost surely, 27000172 is an apocalyptic number.

It is an amenable number.

7000172 is a deficient number, since it is larger than the sum of its proper divisors (5645524).

7000172 is a wasteful number, since it uses less digits than its factorization.

7000172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56488 (or 56486 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 17.

The square root of 7000172 is about 2645.7838158096. The cubic root of 7000172 is about 191.2946850461.

Adding to 7000172 its reverse (2710007), we get a palindrome (9710179).

The spelling of 7000172 in words is "seven million, one hundred seventy-two", and thus it is an aban number.

Divisors: 1 2 4 31 62 124 56453 112906 225812 1750043 3500086 7000172