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7081055 = 51416211
BaseRepresentation
bin11011000000110001011111
3111022202101022
4123000301133
53303043210
6411434355
7114121322
oct33006137
914282338
107081055
113aa7113
1224559bb
13160c097
14d247b9
1594d155
hex6c0c5f

7081055 has 4 divisors (see below), whose sum is σ = 8497272. Its totient is φ = 5664840.

The previous prime is 7081049. The next prime is 7081093. The reversal of 7081055 is 5501807.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7081055 - 26 = 7080991 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708101 + ... + 708110.

It is an arithmetic number, because the mean of its divisors is an integer number (2124318).

Almost surely, 27081055 is an apocalyptic number.

7081055 is a deficient number, since it is larger than the sum of its proper divisors (1416217).

7081055 is a wasteful number, since it uses less digits than its factorization.

7081055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416216.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 7081055 is about 2661.0251783852. The cubic root of 7081055 is about 192.0286325210.

The spelling of 7081055 in words is "seven million, eighty-one thousand, fifty-five".

Divisors: 1 5 1416211 7081055