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3089146 = 21544573
BaseRepresentation
bin1011110010001011111010
312210221111211
423302023322
51242323041
6150113334
735154154
oct13621372
95727454
103089146
11181aa15
12104b84a
138420c8
145a5ad4
15410481
hex2f22fa

3089146 has 4 divisors (see below), whose sum is σ = 4633722. Its totient is φ = 1544572.

The previous prime is 3089143. The next prime is 3089147. The reversal of 3089146 is 6419803.

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

It can be written as a sum of positive squares in only one way, i.e., 3024121 + 65025 = 1739^2 + 255^2 .

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 not an unprimeable number, because it can be changed into a prime (3089143) by changing a digit.

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 as a sum of consecutive naturals, namely, 772285 + ... + 772288.

Almost surely, 23089146 is an apocalyptic number.

3089146 is a deficient number, since it is larger than the sum of its proper divisors (1544576).

3089146 is a wasteful number, since it uses less digits than its factorization.

3089146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544575.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3089146 is about 1757.5966545257. The cubic root of 3089146 is about 145.6396002357.

The spelling of 3089146 in words is "three million, eighty-nine thousand, one hundred forty-six".

Divisors: 1 2 1544573 3089146