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147827808 = 25332343173
BaseRepresentation
bin10001100111110…
…10110001100000
3101022011102122000
420303322301200
5300320442213
622400244000
73443341602
oct1063726140
9338142560
10147827808
1176499247
1241610600
132481b29b
14158c1172
15cea0c73
hex8cfac60

147827808 has 192 divisors, whose sum is σ = 463034880. Its totient is φ = 45771264.

The previous prime is 147827803. The next prime is 147827821. The reversal of 147827808 is 808728741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147827803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 854410 + ... + 854582.

It is an arithmetic number, because the mean of its divisors is an integer number (2411640).

Almost surely, 2147827808 is an apocalyptic number.

147827808 is a gapful number since it is divisible by the number (18) 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 147827808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231517440).

147827808 is an abundant number, since it is smaller than the sum of its proper divisors (315207072).

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

147827808 is a wasteful number, since it uses less digits than its factorization.

147827808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The square root of 147827808 is about 12158.4459533281. The cubic root of 147827808 is about 528.7520275562.

The spelling of 147827808 in words is "one hundred forty-seven million, eight hundred twenty-seven thousand, eight hundred eight".