Search a number
-
+
7000397 = 29241393
BaseRepresentation
bin11010101101000101001101
3111011122201222
4122231011031
53243003042
6410013125
7113334215
oct32550515
914148658
107000397
113a51558
1224171a5
1315b1461
14d03245
159342d2
hex6ad14d

7000397 has 4 divisors (see below), whose sum is σ = 7241820. Its totient is φ = 6758976.

The previous prime is 7000391. The next prime is 7000429. The reversal of 7000397 is 7930007.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5410276 + 1590121 = 2326^2 + 1261^2 .

It is a cyclic number.

It is not a de Polignac number, because 7000397 - 26 = 7000333 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 (7000391) 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, 120668 + ... + 120725.

It is an arithmetic number, because the mean of its divisors is an integer number (1810455).

Almost surely, 27000397 is an apocalyptic number.

It is an amenable number.

7000397 is a deficient number, since it is larger than the sum of its proper divisors (241423).

7000397 is a wasteful number, since it uses less digits than its factorization.

7000397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241422.

The product of its (nonzero) digits is 1323, while the sum is 26.

The square root of 7000397 is about 2645.8263359488. The cubic root of 7000397 is about 191.2967345597.

The spelling of 7000397 in words is "seven million, three hundred ninety-seven", and thus it is an aban number.

Divisors: 1 29 241393 7000397