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3428291 = 17591949
BaseRepresentation
bin1101000100111111000011
320110011201202
431010333003
51334201131
6201251415
741066006
oct15047703
96404652
103428291
111a317a9
121193b6b
13930599
1465353d
1547abcb
hex344fc3

3428291 has 4 divisors (see below), whose sum is σ = 3432000. Its totient is φ = 3424584.

The previous prime is 3428287. The next prime is 3428329. The reversal of 3428291 is 1928243.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1928243 = 4674129.

It is a cyclic number.

It is not a de Polignac number, because 3428291 - 22 = 3428287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3428231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785 + ... + 2733.

It is an arithmetic number, because the mean of its divisors is an integer number (858000).

Almost surely, 23428291 is an apocalyptic number.

3428291 is a deficient number, since it is larger than the sum of its proper divisors (3709).

3428291 is a wasteful number, since it uses less digits than its factorization.

3428291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708.

The product of its digits is 3456, while the sum is 29.

The square root of 3428291 is about 1851.5644736276. The cubic root of 3428291 is about 150.7853770059.

The spelling of 3428291 in words is "three million, four hundred twenty-eight thousand, two hundred ninety-one".

Divisors: 1 1759 1949 3428291