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14433431 = 45731583
BaseRepresentation
bin110111000011…
…110010010111
31000011021221112
4313003302113
512143332211
61233205235
7233452655
oct67036227
930137845
1014433431
118169061
124a0081b
132cb47bc
141cb9dd5
15140188b
hexdc3c97

14433431 has 4 divisors (see below), whose sum is σ = 14465472. Its totient is φ = 14401392.

The previous prime is 14433427. The next prime is 14433467. The reversal of 14433431 is 13433441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13433441 = 71919063.

It is a cyclic number.

It is not a de Polignac number, because 14433431 - 22 = 14433427 is a prime.

It is a super-2 number, since 2×144334312 = 416647860863522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14433397 and 14433406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14433401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15335 + ... + 16248.

It is an arithmetic number, because the mean of its divisors is an integer number (3616368).

Almost surely, 214433431 is an apocalyptic number.

14433431 is a deficient number, since it is larger than the sum of its proper divisors (32041).

14433431 is an equidigital number, since it uses as much as digits as its factorization.

14433431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32040.

The product of its digits is 1728, while the sum is 23.

The square root of 14433431 is about 3799.1355595714. The cubic root of 14433431 is about 243.4762066232.

Adding to 14433431 its reverse (13433441), we get a palindrome (27866872).

The spelling of 14433431 in words is "fourteen million, four hundred thirty-three thousand, four hundred thirty-one".

Divisors: 1 457 31583 14433431