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7007089 = 47149087
BaseRepresentation
bin11010101110101101110001
3111011222220211
4122232231301
53243211324
6410104121
7113362555
oct32565561
914158824
107007089
113a56591
12241b041
1315b450b
14d05865
15936294
hex6aeb71

7007089 has 4 divisors (see below), whose sum is σ = 7156224. Its totient is φ = 6857956.

The previous prime is 7007087. The next prime is 7007101. The reversal of 7007089 is 9807007.

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 a cyclic number.

It is not a de Polignac number, because 7007089 - 21 = 7007087 is a prime.

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 7007089.

It is not an unprimeable number, because it can be changed into a prime (7007081) 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, 74497 + ... + 74590.

It is an arithmetic number, because the mean of its divisors is an integer number (1789056).

Almost surely, 27007089 is an apocalyptic number.

It is an amenable number.

7007089 is a deficient number, since it is larger than the sum of its proper divisors (149135).

7007089 is a wasteful number, since it uses less digits than its factorization.

7007089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149134.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 7007089 is about 2647.0906671287. The cubic root of 7007089 is about 191.3576715820.

The spelling of 7007089 in words is "seven million, seven thousand, eighty-nine".

Divisors: 1 47 149087 7007089