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7001293 = 13538561
BaseRepresentation
bin11010101101010011001101
3111011200222011
4122231103031
53243020133
6410021221
7113336635
oct32552315
914150864
107001293
113a521a2
122417811
1315b19a0
14d036c5
159346cd
hex6ad4cd

7001293 has 4 divisors (see below), whose sum is σ = 7539868. Its totient is φ = 6462720.

The previous prime is 7001287. The next prime is 7001311. The reversal of 7001293 is 3921007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3921007 = 7949633.

It can be written as a sum of positive squares in 2 ways, for example, as 660969 + 6340324 = 813^2 + 2518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7001293 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 (7001213) 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 3 ways as a sum of consecutive naturals, for example, 269268 + ... + 269293.

It is an arithmetic number, because the mean of its divisors is an integer number (1884967).

Almost surely, 27001293 is an apocalyptic number.

It is an amenable number.

7001293 is a deficient number, since it is larger than the sum of its proper divisors (538575).

7001293 is a wasteful number, since it uses less digits than its factorization.

7001293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538574.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 7001293 is about 2645.9956538135. The cubic root of 7001293 is about 191.3048957427.

The spelling of 7001293 in words is "seven million, one thousand, two hundred ninety-three".

Divisors: 1 13 538561 7001293