Search a number
-
+
109712 = 246857
BaseRepresentation
bin11010110010010000
312120111102
4122302100
512002322
62203532
7634601
oct326220
9176442
10109712
1175479
12535a8
133ac25
142bda8
1522792
hex1ac90

109712 has 10 divisors (see below), whose sum is σ = 212598. Its totient is φ = 54848.

The previous prime is 109673. The next prime is 109717. The reversal of 109712 is 217901.

It can be written as a sum of positive squares in only one way, i.e., 59536 + 50176 = 244^2 + 224^2 .

It is not an unprimeable number, because it can be changed into a prime (109717) 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, 3413 + ... + 3444.

2109712 is an apocalyptic number.

It is an amenable number.

109712 is a deficient number, since it is larger than the sum of its proper divisors (102886).

109712 is an equidigital number, since it uses as much as digits as its factorization.

109712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6865 (or 6859 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 109712 is about 331.2280181386. The cubic root of 109712 is about 47.8723459956.

The spelling of 109712 in words is "one hundred nine thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 6857 13714 27428 54856 109712