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47429 = 431103
BaseRepresentation
bin1011100101000101
32102001122
423211011
53004204
61003325
7255164
oct134505
972048
1047429
11326a8
1223545
1318785
14133db
15e0be
hexb945

47429 has 4 divisors (see below), whose sum is σ = 48576. Its totient is φ = 46284.

The previous prime is 47419. The next prime is 47431. The reversal of 47429 is 92474.

47429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92474 = 246237.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47398 and 47407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47419) 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, 509 + ... + 594.

It is an arithmetic number, because the mean of its divisors is an integer number (12144).

247429 is an apocalyptic number.

It is an amenable number.

47429 is a deficient number, since it is larger than the sum of its proper divisors (1147).

47429 is a wasteful number, since it uses less digits than its factorization.

47429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146.

The product of its digits is 2016, while the sum is 26.

The square root of 47429 is about 217.7820010928. The cubic root of 47429 is about 36.1977288646.

The spelling of 47429 in words is "forty-seven thousand, four hundred twenty-nine".

Divisors: 1 43 1103 47429