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7030001 = 11639091
BaseRepresentation
bin11010110100010011110001
3111020011100102
4122310103301
53244430001
6410402145
7113516426
oct32642361
914204312
107030001
113a71820
122430355
1315c1a84
14d0dd4d
1593ce6b
hex6b44f1

7030001 has 4 divisors (see below), whose sum is σ = 7669104. Its totient is φ = 6390900.

The previous prime is 7029961. The next prime is 7030013. The reversal of 7030001 is 1000307.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7030001 - 26 = 7029937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (11), and also a Moran number because the ratio is a prime number: 639091 = 7030001 / (7 + 0 + 3 + 0 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7030091) 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, 319535 + ... + 319556.

It is an arithmetic number, because the mean of its divisors is an integer number (1917276).

Almost surely, 27030001 is an apocalyptic number.

It is an amenable number.

7030001 is a deficient number, since it is larger than the sum of its proper divisors (639103).

7030001 is a wasteful number, since it uses less digits than its factorization.

7030001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639102.

The product of its (nonzero) digits is 21, while the sum is 11.

The square root of 7030001 is about 2651.4149052911. The cubic root of 7030001 is about 191.5660137765.

Adding to 7030001 its reverse (1000307), we get a palindrome (8030308).

The spelling of 7030001 in words is "seven million, thirty thousand, one".

Divisors: 1 11 639091 7030001