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213014005 = 542602801
BaseRepresentation
bin11001011001001…
…01010111110101
3112211211020021121
430230211113311
5414012422010
633045343541
75164406041
oct1454452765
9484736247
10213014005
11aa271636
125b407bb1
13351929b9
142040d021
1513a7a3da
hexcb255f5

213014005 has 4 divisors (see below), whose sum is σ = 255616812. Its totient is φ = 170411200.

The previous prime is 213014003. The next prime is 213014027. The reversal of 213014005 is 500410312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 147306769 + 65707236 = 12137^2 + 8106^2 .

It is not a de Polignac number, because 213014005 - 21 = 213014003 is a prime.

It is a super-2 number, since 2×2130140052 = 90749932652280050, which contains 22 as substring.

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 213014005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213014003) 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, 21301396 + ... + 21301405.

It is an arithmetic number, because the mean of its divisors is an integer number (63904203).

Almost surely, 2213014005 is an apocalyptic number.

It is an amenable number.

213014005 is a deficient number, since it is larger than the sum of its proper divisors (42602807).

213014005 is an equidigital number, since it uses as much as digits as its factorization.

213014005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42602806.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 213014005 is about 14594.9993148338. Note that the first 3 decimals coincide. The cubic root of 213014005 is about 597.2223507658. Note that the first 3 decimals are identical.

Adding to 213014005 its reverse (500410312), we get a palindrome (713424317).

The spelling of 213014005 in words is "two hundred thirteen million, fourteen thousand, five".

Divisors: 1 5 42602801 213014005