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3020345 = 5604069
BaseRepresentation
bin1011100001011000111001
312200110010122
423201120321
51233122340
6144423025
734446446
oct13413071
95613118
103020345
111783259
121017a75
138199b3
145889cd
153e9db5
hex2e1639

3020345 has 4 divisors (see below), whose sum is σ = 3624420. Its totient is φ = 2416272.

The previous prime is 3020333. The next prime is 3020351. The reversal of 3020345 is 5430203.

3020345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5430203 = 34715649.

It can be written as a sum of positive squares in 2 ways, for example, as 620944 + 2399401 = 788^2 + 1549^2 .

It is a cyclic number.

It is not a de Polignac number, because 3020345 - 212 = 3016249 is a prime.

It is a plaindrome in base 14.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 302030 + ... + 302039.

It is an arithmetic number, because the mean of its divisors is an integer number (906105).

Almost surely, 23020345 is an apocalyptic number.

It is an amenable number.

3020345 is a deficient number, since it is larger than the sum of its proper divisors (604075).

3020345 is an equidigital number, since it uses as much as digits as its factorization.

3020345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604074.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 3020345 is about 1737.9139794593. The cubic root of 3020345 is about 144.5502513173.

Adding to 3020345 its reverse (5430203), we get a palindrome (8450548).

The spelling of 3020345 in words is "three million, twenty thousand, three hundred forty-five".

Divisors: 1 5 604069 3020345