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1994770260 = 223357737229
BaseRepresentation
bin111011011100101…
…1100011101010100
312011000111211101000
41312321130131110
513041130122020
6525534503300
7100301160510
oct16671343524
95130454330
101994770260
11933aa546a
12478064b30
1325a365b42
1414ccd7140
15ba1cd090
hex76e5c754

1994770260 has 192 divisors, whose sum is σ = 7190668800. Its totient is φ = 449639424.

The previous prime is 1994770213. The next prime is 1994770273. The reversal of 1994770260 is 620774991.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 272326 + ... + 279554.

It is an arithmetic number, because the mean of its divisors is an integer number (37451400).

Almost surely, 21994770260 is an apocalyptic number.

1994770260 is a gapful number since it is divisible by the number (10) 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 1994770260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3595334400).

1994770260 is an abundant number, since it is smaller than the sum of its proper divisors (5195898540).

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

1994770260 is a wasteful number, since it uses less digits than its factorization.

1994770260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7327 (or 7319 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 1994770260 is about 44662.8510061774. The cubic root of 1994770260 is about 1258.8219147203.

The spelling of 1994770260 in words is "one billion, nine hundred ninety-four million, seven hundred seventy thousand, two hundred sixty".