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7012201 = 71001743
BaseRepresentation
bin11010101111111101101001
3111012020221011
4122233331221
53243342301
6410143521
7113413510
oct32577551
914166834
107012201
113a5a409
122421ba1
1315b6941
14d07677
15937a51
hex6aff69

7012201 has 4 divisors (see below), whose sum is σ = 8013952. Its totient is φ = 6010452.

The previous prime is 7012199. The next prime is 7012223. The reversal of 7012201 is 1022107.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1022107 = 1815647.

It is not a de Polignac number, because 7012201 - 21 = 7012199 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7012241) 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, 500865 + ... + 500878.

It is an arithmetic number, because the mean of its divisors is an integer number (2003488).

Almost surely, 27012201 is an apocalyptic number.

It is an amenable number.

7012201 is a deficient number, since it is larger than the sum of its proper divisors (1001751).

7012201 is a wasteful number, since it uses less digits than its factorization.

7012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001750.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 7012201 is about 2648.0560794666. The cubic root of 7012201 is about 191.4041950683.

Adding to 7012201 its reverse (1022107), we get a palindrome (8034308).

The spelling of 7012201 in words is "seven million, twelve thousand, two hundred one".

Divisors: 1 7 1001743 7012201