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2940473 = 17172969
BaseRepresentation
bin1011001101111000111001
312112101120102
423031320321
51223043343
6143005145
733664544
oct13157071
95471512
102940473
111729248
12b997b5
137bc533
1456785b
153d13b8
hex2cde39

2940473 has 4 divisors (see below), whose sum is σ = 3113460. Its totient is φ = 2767488.

The previous prime is 2940449. The next prime is 2940517. The reversal of 2940473 is 3740492.

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 946729 + 1993744 = 973^2 + 1412^2 .

It is a cyclic number.

It is not a de Polignac number, because 2940473 - 26 = 2940409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940073) 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 in 3 ways as a sum of consecutive naturals, for example, 86468 + ... + 86501.

It is an arithmetic number, because the mean of its divisors is an integer number (778365).

22940473 is an apocalyptic number.

It is an amenable number.

2940473 is a deficient number, since it is larger than the sum of its proper divisors (172987).

2940473 is a wasteful number, since it uses less digits than its factorization.

2940473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172986.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 2940473 is about 1714.7807440020. The cubic root of 2940473 is about 143.2646573231.

The spelling of 2940473 in words is "two million, nine hundred forty thousand, four hundred seventy-three".

Divisors: 1 17 172969 2940473