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2148594620 = 225971107523
BaseRepresentation
bin1000000000010000…
…1111001110111100
312112201221220201112
42000010033032330
513400020011440
6553111501152
7104146516154
oct20004171674
95481856645
102148594620
11a02909a37
124bb6877b8
132831a3683
141654d9764
15c8965965
hex8010f3bc

2148594620 has 24 divisors (see below), whose sum is σ = 4558568784. Its totient is φ = 850576896.

The previous prime is 2148594607. The next prime is 2148594629. The reversal of 2148594620 is 264958412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148594629) by changing a digit.

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, 551822 + ... + 555701.

It is an arithmetic number, because the mean of its divisors is an integer number (189940366).

Almost surely, 22148594620 is an apocalyptic number.

2148594620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2148594620 is an abundant number, since it is smaller than the sum of its proper divisors (2409974164).

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

2148594620 is a wasteful number, since it uses less digits than its factorization.

2148594620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107629 (or 1107627 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 2148594620 is about 46352.9353978796. The cubic root of 2148594620 is about 1290.3815989431.

The spelling of 2148594620 in words is "two billion, one hundred forty-eight million, five hundred ninety-four thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 1107523 2215046 4430092 5537615 11075230 22150460 107429731 214859462 429718924 537148655 1074297310 2148594620