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7238898828 = 2233741474969
BaseRepresentation
bin1101011110111100…
…01101010010001100
3200200111021011101000
412233132031102030
5104311124230303
63154150420300
7344246424210
oct65736152214
920614234330
107238898828
113085195917
1214a0361690
138b495c7b5
144c9586940
152c57a8da3
hex1af78d48c

7238898828 has 192 divisors, whose sum is σ = 22443724800. Its totient is φ = 1974481920.

The previous prime is 7238898817. The next prime is 7238898857. The reversal of 7238898828 is 8288988327.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1454328 + ... + 1459296.

It is an arithmetic number, because the mean of its divisors is an integer number (116894400).

Almost surely, 27238898828 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 7238898828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11221862400).

7238898828 is an abundant number, since it is smaller than the sum of its proper divisors (15204825972).

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

7238898828 is a wasteful number, since it uses less digits than its factorization.

7238898828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077 (or 5069 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 63.

The square root of 7238898828 is about 85081.7185298934. The cubic root of 7238898828 is about 1934.4499704625.

The spelling of 7238898828 in words is "seven billion, two hundred thirty-eight million, eight hundred ninety-eight thousand, eight hundred twenty-eight".