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3030729 = 31377711
BaseRepresentation
bin1011100011111011001001
312200222101020
423203323021
51233440404
6144543053
734521642
oct13437311
95628336
103030729
111790039
121021a89
13821640
1458c6c9
153eced9
hex2e3ec9

3030729 has 8 divisors (see below), whose sum is σ = 4351872. Its totient is φ = 1865040.

The previous prime is 3030719. The next prime is 3030739. The reversal of 3030729 is 9270303.

It is an interprime number because it is at equal distance from previous prime (3030719) and next prime (3030739).

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

It is not a de Polignac number, because 3030729 - 28 = 3030473 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3030699 and 3030708.

It is not an unprimeable number, because it can be changed into a prime (3030719) 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 7 ways as a sum of consecutive naturals, for example, 38817 + ... + 38894.

It is an arithmetic number, because the mean of its divisors is an integer number (543984).

Almost surely, 23030729 is an apocalyptic number.

3030729 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3030729 is a deficient number, since it is larger than the sum of its proper divisors (1321143).

3030729 is a wasteful number, since it uses less digits than its factorization.

3030729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77727.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 3030729 is about 1740.8989057381. The cubic root of 3030729 is about 144.7157172846.

The spelling of 3030729 in words is "three million, thirty thousand, seven hundred twenty-nine".

Divisors: 1 3 13 39 77711 233133 1010243 3030729