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2198044992 = 2631113223359
BaseRepresentation
bin1000001100000011…
…1000000101000000
312200012000020212210
42003000320011000
514000144414432
61002035422120
7105320034303
oct20300700500
95605006783
102198044992
11a28814810
12514154940
132904c8850
1416bcccb3a
15cce828cc
hex83038140

2198044992 has 224 divisors, whose sum is σ = 6882140160. Its totient is φ = 610375680.

The previous prime is 2198044967. The next prime is 2198044997. The reversal of 2198044992 is 2994408912.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198044997) 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, 6122509 + ... + 6122867.

It is an arithmetic number, because the mean of its divisors is an integer number (30723840).

Almost surely, 22198044992 is an apocalyptic number.

2198044992 is a gapful number since it is divisible by the number (22) 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 2198044992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3441070080).

2198044992 is an abundant number, since it is smaller than the sum of its proper divisors (4684095168).

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

2198044992 is a wasteful number, since it uses less digits than its factorization.

2198044992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 2198044992 is about 46883.3125109564. The cubic root of 2198044992 is about 1300.2060801503.

The spelling of 2198044992 in words is "two billion, one hundred ninety-eight million, forty-four thousand, nine hundred ninety-two".