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7072137 = 33475573
BaseRepresentation
bin11010111110100110001001
3111022022011000
4122332212021
53302302022
6411325213
7114053322
oct32764611
914268130
107072137
113aa0446
122450809
131607cc7
14d21449
1594a6ac
hex6be989

7072137 has 16 divisors (see below), whose sum is σ = 10702080. Its totient is φ = 4613616.

The previous prime is 7072133. The next prime is 7072151. The reversal of 7072137 is 7312707.

It is not a de Polignac number, because 7072137 - 22 = 7072133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

7072137 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7072137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7072133) 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 15 ways as a sum of consecutive naturals, for example, 1518 + ... + 4055.

It is an arithmetic number, because the mean of its divisors is an integer number (668880).

Almost surely, 27072137 is an apocalyptic number.

It is an amenable number.

7072137 is a deficient number, since it is larger than the sum of its proper divisors (3629943).

7072137 is a wasteful number, since it uses less digits than its factorization.

7072137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629 (or 5623 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The square root of 7072137 is about 2659.3489804838. The cubic root of 7072137 is about 191.9479839561.

The spelling of 7072137 in words is "seven million, seventy-two thousand, one hundred thirty-seven".

Divisors: 1 3 9 27 47 141 423 1269 5573 16719 50157 150471 261931 785793 2357379 7072137