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3020115 = 3573587
BaseRepresentation
bin1011100001010101010011
312200102211010
423201111103
51233120430
6144422003
734446000
oct13412523
95612733
103020115
11178306a
121017903
13819867
145888a7
153e9cb0
hex2e1553

3020115 has 32 divisors (see below), whose sum is σ = 5644800. Its totient is φ = 1378272.

The previous prime is 3020077. The next prime is 3020117. The reversal of 3020115 is 5110203.

3020115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3020115 - 29 = 3019603 is a prime.

It is a super-2 number, since 2×30201152 = 18242189226450, which contains 22 as substring.

3020115 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3020115.

It is not an unprimeable number, because it can be changed into a prime (3020117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4852 + ... + 5438.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

Almost surely, 23020115 is an apocalyptic number.

3020115 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3020115 is a deficient number, since it is larger than the sum of its proper divisors (2624685).

3020115 is an equidigital number, since it uses as much as digits as its factorization.

3020115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 3020115 is about 1737.8478069152. The cubic root of 3020115 is about 144.5465820453.

Adding to 3020115 its reverse (5110203), we get a palindrome (8130318).

The spelling of 3020115 in words is "three million, twenty thousand, one hundred fifteen".

Divisors: 1 3 5 7 15 21 35 49 105 147 245 343 587 735 1029 1715 1761 2935 4109 5145 8805 12327 20545 28763 61635 86289 143815 201341 431445 604023 1006705 3020115