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3490743 = 31163581
BaseRepresentation
bin1101010100001110110111
320120100101210
431110032313
51343200433
6202452503
741446044
oct15241667
96510353
103490743
111a74713
121204133
13952b39
1466c1cb
1548e463
hex3543b7

3490743 has 4 divisors (see below), whose sum is σ = 4654328. Its totient is φ = 2327160.

The previous prime is 3490727. The next prime is 3490769. The reversal of 3490743 is 3470943.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3490743 - 24 = 3490727 is a prime.

It is a D-number.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3490743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3490703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581788 + ... + 581793.

It is an arithmetic number, because the mean of its divisors is an integer number (1163582).

Almost surely, 23490743 is an apocalyptic number.

3490743 is a deficient number, since it is larger than the sum of its proper divisors (1163585).

3490743 is a wasteful number, since it uses less digits than its factorization.

3490743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163584.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 3490743 is about 1868.3530180349. The cubic root of 3490743 is about 151.6954746764.

The spelling of 3490743 in words is "three million, four hundred ninety thousand, seven hundred forty-three".

Divisors: 1 3 1163581 3490743