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2740007 = 2994483
BaseRepresentation
bin1010011100111100100111
312011012120202
422130330213
51200140012
6134421115
732201234
oct12347447
95135522
102740007
111601676
12b0179b
1374c20a
1451478b
15391cc2
hex29cf27

2740007 has 4 divisors (see below), whose sum is σ = 2834520. Its totient is φ = 2645496.

The previous prime is 2739991. The next prime is 2740027. The reversal of 2740007 is 7000472.

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

It is not a de Polignac number, because 2740007 - 24 = 2739991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740027) 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, 47213 + ... + 47270.

It is an arithmetic number, because the mean of its divisors is an integer number (708630).

22740007 is an apocalyptic number.

2740007 is a deficient number, since it is larger than the sum of its proper divisors (94513).

2740007 is an equidigital number, since it uses as much as digits as its factorization.

2740007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94512.

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 2740007 is about 1655.2966501507. The cubic root of 2740007 is about 139.9320588707.

Adding to 2740007 its reverse (7000472), we get a palindrome (9740479).

The spelling of 2740007 in words is "two million, seven hundred forty thousand, seven".

Divisors: 1 29 94483 2740007