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7001149 = 58711927
BaseRepresentation
bin11010101101010000111101
3111011200202211
4122231100331
53243014044
6410020421
7113336341
oct32552075
914150684
107001149
113a52081
122417711
1315b18bc
14d03621
15934634
hex6ad43d

7001149 has 4 divisors (see below), whose sum is σ = 7013664. Its totient is φ = 6988636.

The previous prime is 7001123. The next prime is 7001213. The reversal of 7001149 is 9411007.

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: 9411007 = 10391369.

It is a cyclic number.

It is not a de Polignac number, because 7001149 - 27 = 7001021 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 (7001249) 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, 5377 + ... + 6550.

It is an arithmetic number, because the mean of its divisors is an integer number (1753416).

Almost surely, 27001149 is an apocalyptic number.

It is an amenable number.

7001149 is a deficient number, since it is larger than the sum of its proper divisors (12515).

7001149 is a wasteful number, since it uses less digits than its factorization.

7001149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12514.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 7001149 is about 2645.9684427445. The cubic root of 7001149 is about 191.3035841710.

It can be divided in two parts, 700 and 1149, that added together give a square (1849 = 432).

The spelling of 7001149 in words is "seven million, one thousand, one hundred forty-nine".

Divisors: 1 587 11927 7001149