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13913434 = 2192811303
BaseRepresentation
bin110101000100…
…110101011010
3222011212122101
4311010311122
512030212214
61214114014
7226155643
oct65046532
928155571
1013913434
117943407
1247ab90a
132b61c02
141bc26ca
15134c774
hexd44d5a

13913434 has 16 divisors (see below), whose sum is σ = 22063680. Its totient is φ = 6562080.

The previous prime is 13913423. The next prime is 13913437. The reversal of 13913434 is 43431931.

13913434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13913437) 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, 10027 + ... + 11329.

It is an arithmetic number, because the mean of its divisors is an integer number (1378980).

Almost surely, 213913434 is an apocalyptic number.

13913434 is a deficient number, since it is larger than the sum of its proper divisors (8150246).

13913434 is a wasteful number, since it uses less digits than its factorization.

13913434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605.

The product of its digits is 3888, while the sum is 28.

The square root of 13913434 is about 3730.0715810826. The cubic root of 13913434 is about 240.5164457557.

The spelling of 13913434 in words is "thirteen million, nine hundred thirteen thousand, four hundred thirty-four".

Divisors: 1 2 19 38 281 562 1303 2606 5339 10678 24757 49514 366143 732286 6956717 13913434