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2290618080 = 2532517137683
BaseRepresentation
bin1000100010001000…
…0000111011100000
312220122012110021200
42020202000323200
514142344234310
61015143521200
7110522634552
oct21042007340
95818173250
102290618080
11a75aa32a3
1253b159200
132a673ba1a
1417a3094d2
15d616b9c0
hex88880ee0

2290618080 has 288 divisors, whose sum is σ = 8349161184. Its totient is φ = 569868288.

The previous prime is 2290618079. The next prime is 2290618081. The reversal of 2290618080 is 808160922.

It is an interprime number because it is at equal distance from previous prime (2290618079) and next prime (2290618081).

It is a tau number, because it is divible by the number of its divisors (288).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290618081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3353419 + ... + 3354101.

It is an arithmetic number, because the mean of its divisors is an integer number (28990143).

Almost surely, 22290618080 is an apocalyptic number.

2290618080 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 2290618080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4174580592).

2290618080 is an abundant number, since it is smaller than the sum of its proper divisors (6058543104).

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

2290618080 is a wasteful number, since it uses less digits than its factorization.

2290618080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 2290618080 is about 47860.4020041621. The cubic root of 2290618080 is about 1318.2088654386.

The spelling of 2290618080 in words is "two billion, two hundred ninety million, six hundred eighteen thousand, eighty".