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3045813 = 31039857
BaseRepresentation
bin1011100111100110110101
312201202001220
423213212311
51234431223
6145140553
734613631
oct13474665
95652056
103045813
1117a0401
12102a759
13828474
14593dc1
154026e3
hex2e79b5

3045813 has 8 divisors (see below), whose sum is σ = 4100928. Its totient is φ = 2010624.

The previous prime is 3045811. The next prime is 3045853. The reversal of 3045813 is 3185403.

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

It is not a de Polignac number, because 3045813 - 21 = 3045811 is a prime.

3045813 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3045811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4620 + ... + 5237.

It is an arithmetic number, because the mean of its divisors is an integer number (512616).

Almost surely, 23045813 is an apocalyptic number.

It is an amenable number.

3045813 is a deficient number, since it is larger than the sum of its proper divisors (1055115).

3045813 is a wasteful number, since it uses less digits than its factorization.

3045813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9963.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 3045813 is about 1745.2257733600. The cubic root of 3045813 is about 144.9554044388.

The spelling of 3045813 in words is "three million, forty-five thousand, eight hundred thirteen".

Divisors: 1 3 103 309 9857 29571 1015271 3045813