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2244378860 = 225891260887
BaseRepresentation
bin1000010111000110…
…1000000011101100
312210102012020222222
42011301220003230
514044030110420
61010412454512
7106421622413
oct20561500354
95712166888
102244378860
11a51991069
1252777a438
13299c9c339
1417411047a
15d2086225
hex85c680ec

2244378860 has 24 divisors (see below), whose sum is σ = 4766156640. Its totient is φ = 887663744.

The previous prime is 2244378841. The next prime is 2244378883. The reversal of 2244378860 is 688734422.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628664 + ... + 632223.

It is an arithmetic number, because the mean of its divisors is an integer number (198589860).

Almost surely, 22244378860 is an apocalyptic number.

2244378860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2244378860 is an abundant number, since it is smaller than the sum of its proper divisors (2521777780).

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

2244378860 is a wasteful number, since it uses less digits than its factorization.

2244378860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260985 (or 1260983 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 44.

The square root of 2244378860 is about 47374.8758309718. The cubic root of 2244378860 is about 1309.2785608669.

The spelling of 2244378860 in words is "two billion, two hundred forty-four million, three hundred seventy-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 1260887 2521774 5043548 6304435 12608870 25217740 112218943 224437886 448875772 561094715 1122189430 2244378860