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1080451872 = 25351971103
BaseRepresentation
bin100000001100110…
…0110001100100000
32210022001122100000
41000121212030200
54203043424442
6255113500000
735526455313
oct10031461440
92708048300
101080451872
11504983535
12261a11600
13142ac8146
14a36d097a
1564cc3d4c
hex40666320

1080451872 has 288 divisors, whose sum is σ = 3434296320. Its totient is φ = 333123840.

The previous prime is 1080451861. The next prime is 1080451937. The reversal of 1080451872 is 2781540801.

It is a tau number, because it is divible by the number of its divisors (288).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10489773 + ... + 10489875.

It is an arithmetic number, because the mean of its divisors is an integer number (11924640).

Almost surely, 21080451872 is an apocalyptic number.

1080451872 is a gapful number since it is divisible by the number (12) 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 1080451872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1717148160).

1080451872 is an abundant number, since it is smaller than the sum of its proper divisors (2353844448).

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

1080451872 is a wasteful number, since it uses less digits than its factorization.

1080451872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 1080451872 is about 32870.2277448758. The cubic root of 1080451872 is about 1026.1286388415.

The spelling of 1080451872 in words is "one billion, eighty million, four hundred fifty-one thousand, eight hundred seventy-two".