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7125053 = 133714813
BaseRepresentation
bin11011001011100000111101
3111101222201212
4123023200331
53311000203
6412414205
7114363515
oct33134075
914358655
107125053
114027181
122477365
131626110
14d36845
1595b1d8
hex6cb83d

7125053 has 8 divisors (see below), whose sum is σ = 7881048. Its totient is φ = 6398784.

The previous prime is 7125049. The next prime is 7125061. The reversal of 7125053 is 3505217.

It can be written as a sum of positive squares in 4 ways, for example, as 708964 + 6416089 = 842^2 + 2533^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7125053 - 22 = 7125049 is a prime.

It is a Duffinian number.

It is a congruent number.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6926 + ... + 7887.

It is an arithmetic number, because the mean of its divisors is an integer number (985131).

Almost surely, 27125053 is an apocalyptic number.

It is an amenable number.

7125053 is a deficient number, since it is larger than the sum of its proper divisors (755995).

7125053 is a wasteful number, since it uses less digits than its factorization.

7125053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14863.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 7125053 is about 2669.2794907990. The cubic root of 7125053 is about 192.4255336868.

The spelling of 7125053 in words is "seven million, one hundred twenty-five thousand, fifty-three".

Divisors: 1 13 37 481 14813 192569 548081 7125053