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120420300 = 2235271113401
BaseRepresentation
bin1110010110101…
…11011111001100
322101120222121010
413023113133030
5221311422200
615541005220
72661361410
oct713273714
9271528533
10120420300
1161a79610
12343b3810
131bc43320
1411dc8d40
15a88a150
hex72d77cc

120420300 has 288 divisors, whose sum is σ = 468969984. Its totient is φ = 23040000.

The previous prime is 120420241. The next prime is 120420323. The reversal of 120420300 is 3024021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 300100 + ... + 300500.

It is an arithmetic number, because the mean of its divisors is an integer number (1628368).

Almost surely, 2120420300 is an apocalyptic number.

120420300 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 120420300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234484992).

120420300 is an abundant number, since it is smaller than the sum of its proper divisors (348549684).

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

120420300 is a wasteful number, since it uses less digits than its factorization.

120420300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 120420300 is about 10973.6183640584. The cubic root of 120420300 is about 493.8176043735.

Adding to 120420300 its reverse (3024021), we get a palindrome (123444321).

The spelling of 120420300 in words is "one hundred twenty million, four hundred twenty thousand, three hundred".