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3076945 = 5615389
BaseRepresentation
bin1011101111001101010001
312210022202221
423233031101
51241430240
6145541041
735103454
oct13571521
95708687
103076945
111811833
121044781
138396a1
145a149b
1540ba4a
hex2ef351

3076945 has 4 divisors (see below), whose sum is σ = 3692340. Its totient is φ = 2461552.

The previous prime is 3076939. The next prime is 3076973. The reversal of 3076945 is 5496703.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 439569 + 2637376 = 663^2 + 1624^2 .

It is a cyclic number.

It is not a de Polignac number, because 3076945 - 27 = 3076817 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 3076945.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 307690 + ... + 307699.

It is an arithmetic number, because the mean of its divisors is an integer number (923085).

Almost surely, 23076945 is an apocalyptic number.

It is an amenable number.

3076945 is a deficient number, since it is larger than the sum of its proper divisors (615395).

3076945 is an equidigital number, since it uses as much as digits as its factorization.

3076945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615394.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 3076945 is about 1754.1222876413. The cubic root of 3076945 is about 145.4476061439.

The spelling of 3076945 in words is "three million, seventy-six thousand, nine hundred forty-five".

Divisors: 1 5 615389 3076945