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3494743 = 74331153
BaseRepresentation
bin1101010101001101010111
320120112212221
431111031113
51343312433
6202523211
741463520
oct15251527
96515787
103494743
111a7771a
121206507
139548c5
1466d847
1549072d
hex355357

3494743 has 8 divisors (see below), whose sum is σ = 4006688. Its totient is φ = 2985984.

The previous prime is 3494719. The next prime is 3494749. The reversal of 3494743 is 3474943.

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

It is a 12-Lehmer number, since φ(3494743) divides (3494743-1)12.

It is a cyclic number.

It is not a de Polignac number, because 3494743 - 213 = 3486551 is a prime.

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

3494743 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3494699 and 3494708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3494749) 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 7 ways as a sum of consecutive naturals, for example, 2455 + ... + 3607.

It is an arithmetic number, because the mean of its divisors is an integer number (500836).

Almost surely, 23494743 is an apocalyptic number.

3494743 is a deficient number, since it is larger than the sum of its proper divisors (511945).

3494743 is a wasteful number, since it uses less digits than its factorization.

3494743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593.

The product of its digits is 36288, while the sum is 34.

The square root of 3494743 is about 1869.4231730670. The cubic root of 3494743 is about 151.7533945594.

The spelling of 3494743 in words is "three million, four hundred ninety-four thousand, seven hundred forty-three".

Divisors: 1 7 433 1153 3031 8071 499249 3494743