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7145053 = 19337021
BaseRepresentation
bin11011010000011001011101
3111110000011121
4123100121131
53312120203
6413050541
7114506026
oct33203135
914400147
107145053
114040203
122486a51
131632256
14d3dc4d
159620bd
hex6d065d

7145053 has 4 divisors (see below), whose sum is σ = 7182268. Its totient is φ = 7107840.

The previous prime is 7145051. The next prime is 7145063. The reversal of 7145053 is 3505417.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1127844 + 6017209 = 1062^2 + 2453^2 .

It is a cyclic number.

It is not a de Polignac number, because 7145053 - 21 = 7145051 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 (7145051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18318 + ... + 18703.

It is an arithmetic number, because the mean of its divisors is an integer number (1795567).

Almost surely, 27145053 is an apocalyptic number.

It is an amenable number.

7145053 is a deficient number, since it is larger than the sum of its proper divisors (37215).

7145053 is a wasteful number, since it uses less digits than its factorization.

7145053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37214.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 7145053 is about 2673.0231948114. The cubic root of 7145053 is about 192.6054114299.

The spelling of 7145053 in words is "seven million, one hundred forty-five thousand, fifty-three".

Divisors: 1 193 37021 7145053