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3028739 = 72113547
BaseRepresentation
bin1011100011011100000011
312200212122112
423203130003
51233404424
6144525535
734513100
oct13433403
95625575
103028739
11178959a
1210208ab
1382076c
1458baa7
153ec60e
hex2e3703

3028739 has 12 divisors (see below), whose sum is σ = 3560904. Its totient is φ = 2568384.

The previous prime is 3028721. The next prime is 3028747. The reversal of 3028739 is 9378203.

3028739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3028739 - 212 = 3024643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3028769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5264 + ... + 5810.

It is an arithmetic number, because the mean of its divisors is an integer number (296742).

Almost surely, 23028739 is an apocalyptic number.

3028739 is a deficient number, since it is larger than the sum of its proper divisors (532165).

3028739 is a wasteful number, since it uses less digits than its factorization.

3028739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 3028739 is about 1740.3272680735. The cubic root of 3028739 is about 144.6840365315.

The spelling of 3028739 in words is "three million, twenty-eight thousand, seven hundred thirty-nine".

Divisors: 1 7 49 113 547 791 3829 5537 26803 61811 432677 3028739