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4530185808 = 243194967309
BaseRepresentation
bin1000011100000010…
…10010011001010000
3102200201100021122120
410032001102121100
533234211421213
62025305334240
7220155641541
oct41601223120
912621307576
104530185808
111a15198715
12a65197380
13572715225
1430d9264c8
151b7aa2423
hex10e052650

4530185808 has 40 divisors (see below), whose sum is σ = 12318928800. Its totient is φ = 1430584704.

The previous prime is 4530185773. The next prime is 4530185833. The reversal of 4530185808 is 8085810354.

It is a super-2 number, since 2×45301858082 = 41045166910009225728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4530185808.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2482743 + ... + 2484566.

It is an arithmetic number, because the mean of its divisors is an integer number (307973220).

Almost surely, 24530185808 is an apocalyptic number.

4530185808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4530185808 is an abundant number, since it is smaller than the sum of its proper divisors (7788742992).

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

4530185808 is a wasteful number, since it uses less digits than its factorization.

4530185808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4967339 (or 4967333 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 4530185808 is about 67306.6550052816. The cubic root of 4530185808 is about 1654.6469320436.

The spelling of 4530185808 in words is "four billion, five hundred thirty million, one hundred eighty-five thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 456 912 4967309 9934618 14901927 19869236 29803854 39738472 59607708 79476944 94378871 119215416 188757742 238430832 283136613 377515484 566273226 755030968 1132546452 1510061936 2265092904 4530185808