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3022987 = 11274817
BaseRepresentation
bin1011100010000010001011
312200120202111
423202002023
51233213422
6144443151
734460242
oct13420213
95616674
103022987
111785240
1210194b7
1381ac66
14589959
153eaa77
hex2e208b

3022987 has 4 divisors (see below), whose sum is σ = 3297816. Its totient is φ = 2748160.

The previous prime is 3022963. The next prime is 3023017. The reversal of 3022987 is 7892203.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3022987 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3022907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137398 + ... + 137419.

It is an arithmetic number, because the mean of its divisors is an integer number (824454).

Almost surely, 23022987 is an apocalyptic number.

3022987 is a deficient number, since it is larger than the sum of its proper divisors (274829).

3022987 is a wasteful number, since it uses less digits than its factorization.

3022987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274828.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3022987 is about 1738.6739199746. The cubic root of 3022987 is about 144.5923867316.

The spelling of 3022987 in words is "three million, twenty-two thousand, nine hundred eighty-seven".

Divisors: 1 11 274817 3022987