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7125042 = 231187507
BaseRepresentation
bin11011001011100000110010
3111101222201110
4123023200302
53311000132
6412414150
7114363501
oct33134062
914358643
107125042
114027171
122477356
131626102
14d36838
1595b1cc
hex6cb832

7125042 has 8 divisors (see below), whose sum is σ = 14250096. Its totient is φ = 2375012.

The previous prime is 7125037. The next prime is 7125043. The reversal of 7125042 is 2405217.

It is a sphenic number, since it is the product of 3 distinct primes.

7125042 is an admirable number.

It is a super-4 number, since 4×71250424 (a number of 29 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (7125043) 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, 593748 + ... + 593759.

It is an arithmetic number, because the mean of its divisors is an integer number (1781262).

Almost surely, 27125042 is an apocalyptic number.

7125042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7125042 is a wasteful number, since it uses less digits than its factorization.

7125042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187512.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 7125042 is about 2669.2774303171. The cubic root of 7125042 is about 192.4254346615.

The spelling of 7125042 in words is "seven million, one hundred twenty-five thousand, forty-two".

Divisors: 1 2 3 6 1187507 2375014 3562521 7125042