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1089928224 = 253471143127
BaseRepresentation
bin100000011110110…
…1111110000100000
32210221220002110000
41000331233300200
54213010200344
6300052540000
736003144210
oct10075576040
92727802400
101089928224
1150a266230
12265021600
13144a65558
14a4a7a240
1565a46a69
hex40f6fc20

1089928224 has 480 divisors, whose sum is σ = 4121542656. Its totient is φ = 274337280.

The previous prime is 1089928223. The next prime is 1089928237. The reversal of 1089928224 is 4228299801.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1089928224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089928223) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8582049 + ... + 8582175.

Almost surely, 21089928224 is an apocalyptic number.

1089928224 is a gapful number since it is divisible by the number (14) 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 1089928224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2060771328).

1089928224 is an abundant number, since it is smaller than the sum of its proper divisors (3031614432).

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

1089928224 is a wasteful number, since it uses less digits than its factorization.

1089928224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 1089928224 is about 33014.0610043660. The cubic root of 1089928224 is about 1029.1198765559.

The spelling of 1089928224 in words is "one billion, eighty-nine million, nine hundred twenty-eight thousand, two hundred twenty-four".