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121852 = 2241743
BaseRepresentation
bin11101101111111100
320012011001
4131233330
512344402
62340044
71015153
oct355774
9205131
10121852
1183605
125a624
1343603
143259a
1526187
hex1dbfc

121852 has 12 divisors (see below), whose sum is σ = 218736. Its totient is φ = 59360.

The previous prime is 121843. The next prime is 121853. The reversal of 121852 is 258121.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121853) by changing a digit.

121852 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208 + ... + 535.

It is an arithmetic number, because the mean of its divisors is an integer number (18228).

2121852 is an apocalyptic number.

It is an amenable number.

121852 is a deficient number, since it is larger than the sum of its proper divisors (96884).

121852 is a wasteful number, since it uses less digits than its factorization.

121852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 786 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 121852 is about 349.0730582557. The cubic root of 121852 is about 49.5766930040.

Adding to 121852 its reverse (258121), we get a palindrome (379973).

It can be divided in two parts, 1218 and 52, that multiplied together give a palindrome (63336).

The spelling of 121852 in words is "one hundred twenty-one thousand, eight hundred fifty-two".

Divisors: 1 2 4 41 82 164 743 1486 2972 30463 60926 121852