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4909621248 = 2133472151
BaseRepresentation
bin1001001001010001…
…01110000000000000
3110200011022121020000
410210220232000000
540023330334443
62131102120000
7232444043400
oct44450560000
913604277200
104909621248
11209a398124
12b50280000
1360320643c
14348096800
151db0528d3
hex124a2e000

4909621248 has 420 divisors, whose sum is σ = 17175019752. Its totient is φ = 1393459200.

The previous prime is 4909621247. The next prime is 4909621271. The reversal of 4909621248 is 8421269094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4909621247) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 32513973 + ... + 32514123.

Almost surely, 24909621248 is an apocalyptic number.

4909621248 is a gapful number since it is divisible by the number (48) 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 4909621248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8587509876).

4909621248 is an abundant number, since it is smaller than the sum of its proper divisors (12265398504).

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

4909621248 is an equidigital number, since it uses as much as digits as its factorization.

4909621248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 4909621248 is about 70068.6894982345. The cubic root of 4909621248 is about 1699.6102045170.

The spelling of 4909621248 in words is "four billion, nine hundred nine million, six hundred twenty-one thousand, two hundred forty-eight".