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3490813 = 19269683
BaseRepresentation
bin1101010100001111111101
320120100111101
431110033331
51343201223
6202453101
741446204
oct15241775
96510441
103490813
111a74777
121204191
13952b91
1466c23b
1548e4ad
hex3543fd

3490813 has 8 divisors (see below), whose sum is σ = 3693600. Its totient is φ = 3289968.

The previous prime is 3490811. The next prime is 3490819. The reversal of 3490813 is 3180943.

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 3490813 - 21 = 3490811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3490811) 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, 4770 + ... + 5452.

It is an arithmetic number, because the mean of its divisors is an integer number (461700).

Almost surely, 23490813 is an apocalyptic number.

It is an amenable number.

3490813 is a deficient number, since it is larger than the sum of its proper divisors (202787).

3490813 is a wasteful number, since it uses less digits than its factorization.

3490813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 3490813 is about 1868.3717510174. The cubic root of 3490813 is about 151.6964886547.

The spelling of 3490813 in words is "three million, four hundred ninety thousand, eight hundred thirteen".

Divisors: 1 19 269 683 5111 12977 183727 3490813