Search a number
-
+
1080398088 = 233471159367
BaseRepresentation
bin100000001100101…
…1001000100001000
32210021221220120000
41000121121010020
54203040214323
6255112403000
735526142440
oct10031310410
92707856500
101080398088
11504947090
122619a6460
13142aa9813
14a36b9120
1564cb2e43
hex40659108

1080398088 has 320 divisors, whose sum is σ = 3847219200. Its totient is φ = 275114880.

The previous prime is 1080398009. The next prime is 1080398089. The reversal of 1080398088 is 8808930801.

It is not an unprimeable number, because it can be changed into a prime (1080398089) 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, 2943681 + ... + 2944047.

It is an arithmetic number, because the mean of its divisors is an integer number (12022560).

Almost surely, 21080398088 is an apocalyptic number.

1080398088 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 1080398088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1923609600).

1080398088 is an abundant number, since it is smaller than the sum of its proper divisors (2766821112).

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

1080398088 is a wasteful number, since it uses less digits than its factorization.

1080398088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 1080398088 is about 32869.4096083273. The cubic root of 1080398088 is about 1026.1116119475. Note that the first 3 decimals are identical.

The spelling of 1080398088 in words is "one billion, eighty million, three hundred ninety-eight thousand, eighty-eight".