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3490285 = 56531069
BaseRepresentation
bin1101010100000111101101
320120022202211
431110013231
51343142120
6202450421
741444521
oct15240755
96508684
103490285
111a74337
121203a11
13952876
1466bd81
1548e25a
hex3541ed

3490285 has 8 divisors (see below), whose sum is σ = 4198680. Its totient is φ = 2785344.

The previous prime is 3490271. The next prime is 3490303. The reversal of 3490285 is 5820943.

It can be written as a sum of positive squares in 4 ways, for example, as 93636 + 3396649 = 306^2 + 1843^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3490285 is a prime.

3490285 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2731 + ... + 3799.

It is an arithmetic number, because the mean of its divisors is an integer number (524835).

Almost surely, 23490285 is an apocalyptic number.

It is an amenable number.

3490285 is a deficient number, since it is larger than the sum of its proper divisors (708395).

3490285 is a wasteful number, since it uses less digits than its factorization.

3490285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3490285 is about 1868.2304461709. The cubic root of 3490285 is about 151.6888400272.

The spelling of 3490285 in words is "three million, four hundred ninety thousand, two hundred eighty-five".

Divisors: 1 5 653 1069 3265 5345 698057 3490285