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2855928320 = 2957315397
BaseRepresentation
bin1010101000111010…
…0000001000000000
321101000221012010222
42222032200020000
521322104201240
61151220242212
7130525663430
oct25216401000
97330835128
102855928320
111236108243
12678540368
133668acb1b
141d14222c0
1511aad5eb5
hexaa3a0200

2855928320 has 320 divisors, whose sum is σ = 8315467776. Its totient is φ = 920125440.

The previous prime is 2855928319. The next prime is 2855928329. The reversal of 2855928320 is 238295582.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (320).

It is not an unprimeable number, because it can be changed into a prime (2855928329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29442512 + ... + 29442608.

Almost surely, 22855928320 is an apocalyptic number.

2855928320 is a gapful number since it is divisible by the number (20) 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 2855928320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4157733888).

2855928320 is an abundant number, since it is smaller than the sum of its proper divisors (5459539456).

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

2855928320 is an equidigital number, since it uses as much as digits as its factorization.

2855928320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 2855928320 is about 53440.8862201966. The cubic root of 2855928320 is about 1418.7823192001.

The spelling of 2855928320 in words is "two billion, eight hundred fifty-five million, nine hundred twenty-eight thousand, three hundred twenty".