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1128040848 = 24321117163257
BaseRepresentation
bin100001100111100…
…1000100110010000
32220121121102010200
41003033020212100
54302234301343
6303533455200
736645121554
oct10317104620
92817542120
101128040848
11529827870
12275941500
1314c91acbc
14a9b5b864
15690744d3
hex433c8990

1128040848 has 240 divisors, whose sum is σ = 3683174976. Its totient is φ = 318504960.

The previous prime is 1128040847. The next prime is 1128040873. The reversal of 1128040848 is 8480408211.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1128040847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4389136 + ... + 4389392.

Almost surely, 21128040848 is an apocalyptic number.

1128040848 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 1128040848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1841587488).

1128040848 is an abundant number, since it is smaller than the sum of its proper divisors (2555134128).

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

1128040848 is a wasteful number, since it uses less digits than its factorization.

1128040848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 1128040848 is about 33586.3193577385. The cubic root of 1128040848 is about 1040.9781379414.

The spelling of 1128040848 in words is "one billion, one hundred twenty-eight million, forty thousand, eight hundred forty-eight".