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7140172 = 2213612251
BaseRepresentation
bin11011001111001101001100
3111102202110211
4123033031030
53311441142
6413012204
7114455554
oct33171514
914382424
107140172
114037576
122484064
13162cc70
14d3c164
15960917
hex6cf34c

7140172 has 24 divisors (see below), whose sum is σ = 13683152. Its totient is φ = 3240000.

The previous prime is 7140169. The next prime is 7140173. The reversal of 7140172 is 2710417.

It is not an unprimeable number, because it can be changed into a prime (7140173) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2047 + ... + 4297.

Almost surely, 27140172 is an apocalyptic number.

It is an amenable number.

7140172 is a deficient number, since it is larger than the sum of its proper divisors (6542980).

7140172 is a wasteful number, since it uses less digits than its factorization.

7140172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329 (or 2327 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 7140172 is about 2672.1100276748. The cubic root of 7140172 is about 192.5615432614.

Adding to 7140172 its reverse (2710417), we get a palindrome (9850589).

The spelling of 7140172 in words is "seven million, one hundred forty thousand, one hundred seventy-two".

Divisors: 1 2 4 13 26 52 61 122 244 793 1586 2251 3172 4502 9004 29263 58526 117052 137311 274622 549244 1785043 3570086 7140172