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3060813 = 37145753
BaseRepresentation
bin1011101011010001001101
312202111122110
423223101031
51240421223
6145334233
735005440
oct13532115
95674573
103060813
1118006a8
121037379
13832242
14599657
15406d93
hex2eb44d

3060813 has 8 divisors (see below), whose sum is σ = 4664128. Its totient is φ = 1749024.

The previous prime is 3060809. The next prime is 3060821. The reversal of 3060813 is 3180603.

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

It is not a de Polignac number, because 3060813 - 22 = 3060809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 145753 = 3060813 / (3 + 0 + 6 + 0 + 8 + 1 + 3).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3060813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3060823) 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, 72856 + ... + 72897.

It is an arithmetic number, because the mean of its divisors is an integer number (583016).

Almost surely, 23060813 is an apocalyptic number.

It is an amenable number.

3060813 is a deficient number, since it is larger than the sum of its proper divisors (1603315).

3060813 is a wasteful number, since it uses less digits than its factorization.

3060813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145763.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3060813 is about 1749.5179336034. The cubic root of 3060813 is about 145.1929733488.

The spelling of 3060813 in words is "three million, sixty thousand, eight hundred thirteen".

Divisors: 1 3 7 21 145753 437259 1020271 3060813