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13430747 = 1110711411
BaseRepresentation
bin110011001110…
…111111011011
3221021100112002
4303032333123
511414240442
61155511215
7222105461
oct63167733
927240462
1013430747
1176437a0
1245b850b
132a232b5
141ad8831
1512a4732
hexccefdb

13430747 has 8 divisors (see below), whose sum is σ = 14789952. Its totient is φ = 12094600.

The previous prime is 13430737. The next prime is 13430761. The reversal of 13430747 is 74703431.

13430747 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13430747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13430707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4529 + ... + 6882.

It is an arithmetic number, because the mean of its divisors is an integer number (1848744).

Almost surely, 213430747 is an apocalyptic number.

13430747 is a deficient number, since it is larger than the sum of its proper divisors (1359205).

13430747 is a wasteful number, since it uses less digits than its factorization.

13430747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11529.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 13430747 is about 3664.7983573452. The cubic root of 13430747 is about 237.7023029753.

The spelling of 13430747 in words is "thirteen million, four hundred thirty thousand, seven hundred forty-seven".

Divisors: 1 11 107 1177 11411 125521 1220977 13430747