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42832 = 242677
BaseRepresentation
bin1010011101010000
32011202101
422131100
52332312
6530144
7235606
oct123520
964671
1042832
112a1a9
1220954
131665a
1411876
15ca57
hexa750

42832 has 10 divisors (see below), whose sum is σ = 83018. Its totient is φ = 21408.

The previous prime is 42829. The next prime is 42839. The reversal of 42832 is 23824.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24336 + 18496 = 156^2 + 136^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323 + ... + 1354.

242832 is an apocalyptic number.

It is an amenable number.

42832 is a deficient number, since it is larger than the sum of its proper divisors (40186).

42832 is a wasteful number, since it uses less digits than its factorization.

42832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685 (or 2679 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 42832 is about 206.9589331244. The cubic root of 42832 is about 34.9882954059.

The spelling of 42832 in words is "forty-two thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 16 2677 5354 10708 21416 42832