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7031053 = 24172909
BaseRepresentation
bin11010110100100100001101
3111020012210101
4122310210031
53244443203
6410411101
7113522461
oct32644415
914205711
107031053
113a72597
122430a91
1315c23b3
14d104a1
1593d41d
hex6b490d

7031053 has 4 divisors (see below), whose sum is σ = 7036380. Its totient is φ = 7025728.

The previous prime is 7031051. The next prime is 7031071. The reversal of 7031053 is 3501307.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3501307 = 12832729.

It can be written as a sum of positive squares in 2 ways, for example, as 6538249 + 492804 = 2557^2 + 702^2 .

It is a cyclic number.

It is not a de Polignac number, because 7031053 - 21 = 7031051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7031053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7031051) 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, 963 + ... + 3871.

It is an arithmetic number, because the mean of its divisors is an integer number (1759095).

Almost surely, 27031053 is an apocalyptic number.

It is an amenable number.

7031053 is a deficient number, since it is larger than the sum of its proper divisors (5327).

7031053 is a wasteful number, since it uses less digits than its factorization.

7031053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5326.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 7031053 is about 2651.6132825131. The cubic root of 7031053 is about 191.5755688911.

The spelling of 7031053 in words is "seven million, thirty-one thousand, fifty-three".

Divisors: 1 2417 2909 7031053