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2098605 = 35139907
BaseRepresentation
bin1000000000010110101101
310221121202010
420000112231
51014123410
6112551433
723560245
oct10002655
93847663
102098605
111203793
12852579
135862a2
143c8b25
152b6c20
hex2005ad

2098605 has 8 divisors (see below), whose sum is σ = 3357792. Its totient is φ = 1119248.

The previous prime is 2098573. The next prime is 2098609. The reversal of 2098605 is 5068902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2098605 - 25 = 2098573 is a prime.

2098605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69939 + ... + 69968.

It is an arithmetic number, because the mean of its divisors is an integer number (419724).

22098605 is an apocalyptic number.

It is an amenable number.

2098605 is a deficient number, since it is larger than the sum of its proper divisors (1259187).

2098605 is a wasteful number, since it uses less digits than its factorization.

2098605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139915.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 2098605 is about 1448.6562739311. The cubic root of 2098605 is about 128.0295545362.

The spelling of 2098605 in words is "two million, ninety-eight thousand, six hundred five".

Divisors: 1 3 5 15 139907 419721 699535 2098605