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830522880 = 293251129113
BaseRepresentation
bin110001100000001…
…100011000000000
32010212202221012200
4301200030120000
53200103213010
6214224553200
726403220335
oct6140143000
92125687180
10830522880
11396899150
121b2182800
131030abb75
147c43298c
154cda5cc0
hex3180c600

830522880 has 480 divisors, whose sum is σ = 3274745760. Its totient is φ = 192675840.

The previous prime is 830522863. The next prime is 830522911. The reversal of 830522880 is 88225038.

It is a tau number, because it is divible by the number of its divisors (480).

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

It is a zygodrome in base 2.

It is a congruent number.

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, 7349704 + ... + 7349816.

It is an arithmetic number, because the mean of its divisors is an integer number (6822387).

Almost surely, 2830522880 is an apocalyptic number.

830522880 is a gapful number since it is divisible by the number (80) 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 830522880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1637372880).

830522880 is an abundant number, since it is smaller than the sum of its proper divisors (2444222880).

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

830522880 is a wasteful number, since it uses less digits than its factorization.

830522880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 830522880 is about 28818.7938678911. The cubic root of 830522880 is about 939.9769422441.

The spelling of 830522880 in words is "eight hundred thirty million, five hundred twenty-two thousand, eight hundred eighty".