Search a number
-
+
7054069 = 11641279
BaseRepresentation
bin11010111010001011110101
3111021101100211
4122322023311
53301212234
6411105421
7113646541
oct32721365
914241324
107054069
113a88910
122442271
1315cca09
14d18a21
15945164
hex6ba2f5

7054069 has 4 divisors (see below), whose sum is σ = 7695360. Its totient is φ = 6412780.

The previous prime is 7054067. The next prime is 7054079. The reversal of 7054069 is 9604507.

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 not a de Polignac number, because 7054069 - 21 = 7054067 is a prime.

It is a super-4 number, since 4×70540694 (a number of 28 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7054069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7054067) 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, 320629 + ... + 320650.

It is an arithmetic number, because the mean of its divisors is an integer number (1923840).

Almost surely, 27054069 is an apocalyptic number.

It is an amenable number.

7054069 is a deficient number, since it is larger than the sum of its proper divisors (641291).

7054069 is a wasteful number, since it uses less digits than its factorization.

7054069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641290.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 7054069 is about 2655.9497359702. The cubic root of 7054069 is about 191.7843807040.

It can be divided in two parts, 705 and 4069, that added together give a palindrome (4774).

The spelling of 7054069 in words is "seven million, fifty-four thousand, sixty-nine".

Divisors: 1 11 641279 7054069