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3098945 = 54713187
BaseRepresentation
bin1011110100100101000001
312211102221202
423310211001
51243131240
6150230545
735224553
oct13644501
95742852
103098945
111827313
121055455
138466c5
145a94d3
15413315
hex2f4941

3098945 has 8 divisors (see below), whose sum is σ = 3798144. Its totient is φ = 2426224.

The previous prime is 3098941. The next prime is 3098959. The reversal of 3098945 is 5498903.

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 3098945 - 22 = 3098941 is a prime.

It is a super-2 number, since 2×30989452 = 19206920226050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3098899 and 3098908.

It is not an unprimeable number, because it can be changed into a prime (3098941) 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, 6359 + ... + 6828.

It is an arithmetic number, because the mean of its divisors is an integer number (474768).

Almost surely, 23098945 is an apocalyptic number.

It is an amenable number.

3098945 is a deficient number, since it is larger than the sum of its proper divisors (699199).

3098945 is a wasteful number, since it uses less digits than its factorization.

3098945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13239.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 3098945 is about 1760.3820608038. The cubic root of 3098945 is about 145.7934308971.

The spelling of 3098945 in words is "three million, ninety-eight thousand, nine hundred forty-five".

Divisors: 1 5 47 235 13187 65935 619789 3098945