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3045491 = 19891801
BaseRepresentation
bin1011100111100001110011
312201201121222
423213201303
51234423431
6145135255
734612661
oct13474163
95651558
103045491
1117a0139
12102a52b
13828287
14593c31
1540257b
hex2e7873

3045491 has 8 divisors (see below), whose sum is σ = 3243600. Its totient is φ = 2851200.

The previous prime is 3045461. The next prime is 3045503. The reversal of 3045491 is 1945403.

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-3045491 is a prime.

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 3045491.

It is not an unprimeable number, because it can be changed into a prime (3045421) 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, 791 + ... + 2591.

It is an arithmetic number, because the mean of its divisors is an integer number (405450).

Almost surely, 23045491 is an apocalyptic number.

3045491 is a deficient number, since it is larger than the sum of its proper divisors (198109).

3045491 is a wasteful number, since it uses less digits than its factorization.

3045491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 3045491 is about 1745.1335192472. The cubic root of 3045491 is about 144.9502960835.

It can be divided in two parts, 304 and 5491, that multiplied together give a square (1669264 = 12922).

The spelling of 3045491 in words is "three million, forty-five thousand, four hundred ninety-one".

Divisors: 1 19 89 1691 1801 34219 160289 3045491