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2275229880 = 23325711211389
BaseRepresentation
bin1000011110011101…
…0100000010111000
312212120020122122100
42013213110002320
514124424324010
61013434023400
7110245064160
oct20747240270
95776218570
102275229880
11a68342980
12535b77b60
132a34b1791
141782615a0
15d4b2c2c0
hex879d40b8

2275229880 has 384 divisors, whose sum is σ = 9286617600. Its totient is φ = 469324800.

The previous prime is 2275229857. The next prime is 2275229881. The reversal of 2275229880 is 889225722.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2275229881) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5848726 + ... + 5849114.

It is an arithmetic number, because the mean of its divisors is an integer number (24183900).

Almost surely, 22275229880 is an apocalyptic number.

2275229880 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 2275229880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4643308800).

2275229880 is an abundant number, since it is smaller than the sum of its proper divisors (7011387720).

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

2275229880 is a wasteful number, since it uses less digits than its factorization.

2275229880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 2275229880 is about 47699.3698071578. The cubic root of 2275229880 is about 1315.2503544887.

The spelling of 2275229880 in words is "two billion, two hundred seventy-five million, two hundred twenty-nine thousand, eight hundred eighty".