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BaseRepresentation
bin11101010111011100
320002222222
4131113130
512322114
62324512
71010453
oct352734
9202888
10120284
118240a
1259738
1342998
1431b9a
152598e
hex1d5dc

120284 has 6 divisors (see below), whose sum is σ = 210504. Its totient is φ = 60140.

The previous prime is 120283. The next prime is 120293. The reversal of 120284 is 482021.

It can be divided in two parts, 120 and 284, that added together give a palindrome (404).

120284 is a repfigit number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15032 + ... + 15039.

It is an arithmetic number, because the mean of its divisors is an integer number (35084).

2120284 is an apocalyptic number.

It is an amenable number.

120284 is a deficient number, since it is larger than the sum of its proper divisors (90220).

120284 is a wasteful number, since it uses less digits than its factorization.

120284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30075 (or 30073 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 120284 is about 346.8198379563. The cubic root of 120284 is about 49.3631221762.

The spelling of 120284 in words is "one hundred twenty thousand, two hundred eighty-four".

Divisors: 1 2 4 30071 60142 120284