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3040993 = 3782189
BaseRepresentation
bin1011100110011011100001
312201111110101
423212123201
51234302433
6145102401
734563604
oct13463341
95644411
103040993
11179781a
121027a01
13826207
1459233b
1540107d
hex2e66e1

3040993 has 4 divisors (see below), whose sum is σ = 3123220. Its totient is φ = 2958768.

The previous prime is 3040987. The next prime is 3040997. The reversal of 3040993 is 3990403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3990403 = 16324481.

It can be written as a sum of positive squares in 2 ways, for example, as 2024929 + 1016064 = 1423^2 + 1008^2 .

It is a cyclic number.

It is not a de Polignac number, because 3040993 - 29 = 3040481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3040997) 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, 41058 + ... + 41131.

It is an arithmetic number, because the mean of its divisors is an integer number (780805).

Almost surely, 23040993 is an apocalyptic number.

It is an amenable number.

3040993 is a deficient number, since it is larger than the sum of its proper divisors (82227).

3040993 is an equidigital number, since it uses as much as digits as its factorization.

3040993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82226.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3040993 is about 1743.8443164457. The cubic root of 3040993 is about 144.8789000780.

The spelling of 3040993 in words is "three million, forty thousand, nine hundred ninety-three".

Divisors: 1 37 82189 3040993