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7069057 = 28324979
BaseRepresentation
bin11010111101110110000001
3111022010220221
4122331312001
53302202212
6411303041
7114041332
oct32756601
914263827
107069057
113a990a6
12244aa81
131606798
14d20289
15949807
hex6bdd81

7069057 has 4 divisors (see below), whose sum is σ = 7094320. Its totient is φ = 7043796.

The previous prime is 7069037. The next prime is 7069061. The reversal of 7069057 is 7509607.

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: 7509607 = 71072801.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7069057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7069037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12207 + ... + 12772.

It is an arithmetic number, because the mean of its divisors is an integer number (1773580).

Almost surely, 27069057 is an apocalyptic number.

It is an amenable number.

7069057 is a deficient number, since it is larger than the sum of its proper divisors (25263).

7069057 is a wasteful number, since it uses less digits than its factorization.

7069057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25262.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 7069057 is about 2658.7698283229. The cubic root of 7069057 is about 191.9201146979.

The spelling of 7069057 in words is "seven million, sixty-nine thousand, fifty-seven".

Divisors: 1 283 24979 7069057