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2740017 = 37130477
BaseRepresentation
bin1010011100111100110001
312011012121010
422130330301
51200140032
6134421133
732201250
oct12347461
95135533
102740017
111601685
12b017a9
1374c217
14514797
15391ccc
hex29cf31

2740017 has 8 divisors (see below), whose sum is σ = 4175296. Its totient is φ = 1565712.

The previous prime is 2739991. The next prime is 2740027. The reversal of 2740017 is 7100472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2740017 - 28 = 2739761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 130477 = 2740017 / (2 + 7 + 4 + 0 + 0 + 1 + 7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2739975 and 2740002.

It is not an unprimeable number, because it can be changed into a prime (2740027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65218 + ... + 65259.

It is an arithmetic number, because the mean of its divisors is an integer number (521912).

22740017 is an apocalyptic number.

It is an amenable number.

2740017 is a deficient number, since it is larger than the sum of its proper divisors (1435279).

2740017 is a wasteful number, since it uses less digits than its factorization.

2740017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130487.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 2740017 is about 1655.2996707545. The cubic root of 2740017 is about 139.9322291037.

Adding to 2740017 its reverse (7100472), we get a palindrome (9840489).

The spelling of 2740017 in words is "two million, seven hundred forty thousand, seventeen".

Divisors: 1 3 7 21 130477 391431 913339 2740017