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4750221384 = 233265975297
BaseRepresentation
bin1000110110010001…
…01010000001001000
3110021001101020201100
410123020222001020
534212024041014
62103205421400
7225500133636
oct43310520110
913231336640
104750221384
1120184156a7
12b06a0a860
135a9195bac
14330c42356
151cc068009
hex11b22a048

4750221384 has 24 divisors (see below), whose sum is σ = 12865183110. Its totient is φ = 1583407104.

The previous prime is 4750221367. The next prime is 4750221391. The reversal of 4750221384 is 4831220574.

It is a happy number.

4750221384 is a `hidden beast` number, since 4 + 7 + 50 + 221 + 384 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4748588100 + 1633284 = 68910^2 + 1278^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 32987577 + ... + 32987720.

Almost surely, 24750221384 is an apocalyptic number.

It is an amenable number.

4750221384 is an abundant number, since it is smaller than the sum of its proper divisors (8114961726).

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

4750221384 is a wasteful number, since it uses less digits than its factorization.

4750221384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65975309 (or 65975302 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 4750221384 is about 68921.8498300793. The cubic root of 4750221384 is about 1681.0138183469.

It can be divided in two parts, 47502 and 21384, that added together give a palindrome (68886).

The spelling of 4750221384 in words is "four billion, seven hundred fifty million, two hundred twenty-one thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 65975297 131950594 197925891 263901188 395851782 527802376 593777673 791703564 1187555346 1583407128 2375110692 4750221384