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120472200 = 2332521731127
BaseRepresentation
bin1110010111001…
…00001010001000
322101200121210100
413023210022020
5221320102300
615542045400
72661665622
oct713441210
9271617710
10120472200
1162004602
1234419860
131bc60b34
1411dddc12
15a89a700
hex72e4288

120472200 has 288 divisors, whose sum is σ = 445685760. Its totient is φ = 29030400.

The previous prime is 120472189. The next prime is 120472201. The reversal of 120472200 is 2274021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120472201) 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 in 71 ways as a sum of consecutive naturals, for example, 948537 + ... + 948663.

It is an arithmetic number, because the mean of its divisors is an integer number (1547520).

Almost surely, 2120472200 is an apocalyptic number.

120472200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120472200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222842880).

120472200 is an abundant number, since it is smaller than the sum of its proper divisors (325213560).

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

120472200 is a wasteful number, since it uses less digits than its factorization.

120472200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 120472200 is about 10975.9828717068. The cubic root of 120472200 is about 493.8885377421. Note that the first 3 decimals are identical.

The spelling of 120472200 in words is "one hundred twenty million, four hundred seventy-two thousand, two hundred".