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3009005 = 5601801
BaseRepresentation
bin1011011110100111101101
312122212120122
423132213231
51232242010
6144254325
734401416
oct13364755
95585518
103009005
11177578a
1210113a5
1381479c
1458480d
153e6855
hex2de9ed

3009005 has 4 divisors (see below), whose sum is σ = 3610812. Its totient is φ = 2407200.

The previous prime is 3008981. The next prime is 3009023. The reversal of 3009005 is 5009003.

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 1378276 + 1630729 = 1174^2 + 1277^2 .

It is not a de Polignac number, because 3009005 - 210 = 3007981 is a prime.

It is a super-2 number, since 2×30090052 = 18108222180050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300896 + ... + 300905.

It is an arithmetic number, because the mean of its divisors is an integer number (902703).

Almost surely, 23009005 is an apocalyptic number.

It is an amenable number.

3009005 is a deficient number, since it is larger than the sum of its proper divisors (601807).

3009005 is an equidigital number, since it uses as much as digits as its factorization.

3009005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601806.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 3009005 is about 1734.6483793553. The cubic root of 3009005 is about 144.3691179678.

The spelling of 3009005 in words is "three million, nine thousand, five".

Divisors: 1 5 601801 3009005