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550029312 = 211337329
BaseRepresentation
bin100000110010001…
…100100000000000
31102022222101101000
4200302030200000
52111301414222
6130325012000
716426113000
oct4062144000
91368871330
10550029312
11262528188
12134254000
1389c50941
145309a000
153344b9ac
hex20c8c800

550029312 has 384 divisors, whose sum is σ = 1965600000. Its totient is φ = 151732224.

The previous prime is 550029301. The next prime is 550029317. The reversal of 550029312 is 213920055.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (550029317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18966514 + ... + 18966542.

It is an arithmetic number, because the mean of its divisors is an integer number (5118750).

Almost surely, 2550029312 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 550029312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982800000).

550029312 is an abundant number, since it is smaller than the sum of its proper divisors (1415570688).

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

550029312 is an equidigital number, since it uses as much as digits as its factorization.

550029312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 550029312 is about 23452.7037247308. The cubic root of 550029312 is about 819.3358254603.

Adding to 550029312 its reverse (213920055), we get a palindrome (763949367).

The spelling of 550029312 in words is "five hundred fifty million, twenty-nine thousand, three hundred twelve".