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7001201 = 41170761
BaseRepresentation
bin11010101101010001110001
3111011200211202
4122231101301
53243014301
6410020545
7113336444
oct32552161
914150752
107001201
113a52119
122417755
1315b192c
14d0365b
1593466b
hex6ad471

7001201 has 4 divisors (see below), whose sum is σ = 7172004. Its totient is φ = 6830400.

The previous prime is 7001123. The next prime is 7001213. The reversal of 7001201 is 1021007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1021007 = 1378539.

It can be written as a sum of positive squares in 2 ways, for example, as 1600225 + 5400976 = 1265^2 + 2324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7001201 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7001221) 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, 85340 + ... + 85421.

It is an arithmetic number, because the mean of its divisors is an integer number (1793001).

Almost surely, 27001201 is an apocalyptic number.

It is an amenable number.

7001201 is a deficient number, since it is larger than the sum of its proper divisors (170803).

7001201 is a wasteful number, since it uses less digits than its factorization.

7001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170802.

The product of its (nonzero) digits is 14, while the sum is 11.

The square root of 7001201 is about 2645.9782689962. The cubic root of 7001201 is about 191.3040577962.

Adding to 7001201 its reverse (1021007), we get a palindrome (8022208).

The spelling of 7001201 in words is "seven million, one thousand, two hundred one".

Divisors: 1 41 170761 7001201