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1080868320 = 253357311153
BaseRepresentation
bin100000001101100…
…1011110111100000
32210022211210121000
41000123023313200
54203200241240
6255130432000
735533141410
oct10033136740
92708753530
101080868320
11505138404
12261b92600
13142c1286c
14a379c640
1564d57430
hex406cbde0

1080868320 has 384 divisors, whose sum is σ = 4466810880. Its totient is φ = 238878720.

The previous prime is 1080868303. The next prime is 1080868331. The reversal of 1080868320 is 238680801.

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

It is a congruent number.

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, 936864 + ... + 938016.

It is an arithmetic number, because the mean of its divisors is an integer number (11632320).

Almost surely, 21080868320 is an apocalyptic number.

1080868320 is a gapful number since it is divisible by the number (10) 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 1080868320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2233405440).

1080868320 is an abundant number, since it is smaller than the sum of its proper divisors (3385942560).

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

1080868320 is a wasteful number, since it uses less digits than its factorization.

1080868320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1080868320 is about 32876.5618640393. The cubic root of 1080868320 is about 1026.2604584808.

The spelling of 1080868320 in words is "one billion, eighty million, eight hundred sixty-eight thousand, three hundred twenty".