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2744057 = 13120947
BaseRepresentation
bin1010011101111011111001
312011102010202
422131323321
51200302212
6134451545
732216111
oct12357371
95142122
102744057
111604718
12b03bb5
13751004
14516041
153930c2
hex29def9

2744057 has 4 divisors (see below), whose sum is σ = 2765136. Its totient is φ = 2722980.

The previous prime is 2744051. The next prime is 2744081. The reversal of 2744057 is 7504472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2744057 - 220 = 1695481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2744051) 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, 10343 + ... + 10604.

It is an arithmetic number, because the mean of its divisors is an integer number (691284).

22744057 is an apocalyptic number.

It is an amenable number.

2744057 is a deficient number, since it is larger than the sum of its proper divisors (21079).

2744057 is a wasteful number, since it uses less digits than its factorization.

2744057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21078.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 2744057 is about 1656.5195441044. The cubic root of 2744057 is about 140.0009693810. Note that the first 3 decimals are identical.

The spelling of 2744057 in words is "two million, seven hundred forty-four thousand, fifty-seven".

Divisors: 1 131 20947 2744057