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2720012 = 22680003
BaseRepresentation
bin1010011000000100001100
312010012011012
422120010030
51144020022
6134144352
732056031
oct12300414
95105135
102720012
111598649
12ab20b8
13743099
1450b388
1538ade2
hex29810c

2720012 has 6 divisors (see below), whose sum is σ = 4760028. Its totient is φ = 1360004.

The previous prime is 2720009. The next prime is 2720071. The reversal of 2720012 is 2100272.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339998 + ... + 340005.

It is an arithmetic number, because the mean of its divisors is an integer number (793338).

22720012 is an apocalyptic number.

It is an amenable number.

2720012 is a deficient number, since it is larger than the sum of its proper divisors (2040016).

2720012 is a wasteful number, since it uses less digits than its factorization.

2720012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680007 (or 680005 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 2720012 is about 1649.2458882774. The cubic root of 2720012 is about 139.5908462182.

Adding to 2720012 its reverse (2100272), we get a palindrome (4820284).

The spelling of 2720012 in words is "two million, seven hundred twenty thousand, twelve".

Divisors: 1 2 4 680003 1360006 2720012