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2239912080 = 2432573531259
BaseRepresentation
bin1000010110000010…
…0101100010010000
312210002210022201200
42011200211202100
514041404141310
61010133031200
7106335636630
oct20540454220
95702708650
102239912080
11a4a41010a
12526185500
13299097183
141736aa6c0
15d19a29c0
hex85825890

2239912080 has 240 divisors, whose sum is σ = 8628197760. Its totient is φ = 510124032.

The previous prime is 2239912021. The next prime is 2239912091. The reversal of 2239912080 is 802199322.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×22399120802 = 10034412252259852800, which contains 22 as substring.

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

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, 1778491 + ... + 1779749.

It is an arithmetic number, because the mean of its divisors is an integer number (35950824).

Almost surely, 22239912080 is an apocalyptic number.

2239912080 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 2239912080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4314098880).

2239912080 is an abundant number, since it is smaller than the sum of its proper divisors (6388285680).

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

2239912080 is a wasteful number, since it uses less digits than its factorization.

2239912080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638 (or 1629 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 2239912080 is about 47327.7094311567. The cubic root of 2239912080 is about 1308.4094052711.

The spelling of 2239912080 in words is "two billion, two hundred thirty-nine million, nine hundred twelve thousand, eighty".