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120472 = 2311372
BaseRepresentation
bin11101011010011000
320010020221
4131122120
512323342
62325424
71011142
oct353230
9203227
10120472
1182570
1259874
1342ab1
1431c92
1525a67
hex1d698

120472 has 24 divisors (see below), whose sum is σ = 253260. Its totient is φ = 53280.

The previous prime is 120431. The next prime is 120473. The reversal of 120472 is 274021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120473) by changing a digit.

120472 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3238 + ... + 3274.

2120472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126630).

120472 is an abundant number, since it is smaller than the sum of its proper divisors (132788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120472 is a wasteful number, since it uses less digits than its factorization.

120472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 120472 is about 347.0907662269. The cubic root of 120472 is about 49.3888264435.

Adding to 120472 its reverse (274021), we get a palindrome (394493).

The spelling of 120472 in words is "one hundred twenty thousand, four hundred seventy-two", and thus it is an iban number.

Divisors: 1 2 4 8 11 22 37 44 74 88 148 296 407 814 1369 1628 2738 3256 5476 10952 15059 30118 60236 120472