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2106609341 = 4721446221
BaseRepresentation
bin111110110010000…
…0100111010111101
312102210221211202012
41331210010322331
513303242444331
6545011541005
7103126612124
oct17544047275
95383854665
102106609341
11991142861
124a95ba765
13277593305
1415dacaabb
15c4e2082b
hex7d904ebd

2106609341 has 4 divisors (see below), whose sum is σ = 2107060284. Its totient is φ = 2106158400.

The previous prime is 2106609311. The next prime is 2106609343. The reversal of 2106609341 is 1439066012.

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 1046781316 + 1059828025 = 32354^2 + 32555^2 .

It is a cyclic number.

It is not a de Polignac number, because 2106609341 - 26 = 2106609277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2106609298 and 2106609307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106609343) 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, 218390 + ... + 227831.

It is an arithmetic number, because the mean of its divisors is an integer number (526765071).

Almost surely, 22106609341 is an apocalyptic number.

It is an amenable number.

2106609341 is a deficient number, since it is larger than the sum of its proper divisors (450943).

2106609341 is an equidigital number, since it uses as much as digits as its factorization.

2106609341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450942.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2106609341 is about 45897.8141200646. The cubic root of 2106609341 is about 1281.9212158607.

The spelling of 2106609341 in words is "two billion, one hundred six million, six hundred nine thousand, three hundred forty-one".

Divisors: 1 4721 446221 2106609341