Search a number
-
+
1683470880 = 2532571329443
BaseRepresentation
bin110010001010111…
…1011101000100000
311100022202011220100
41210111323220200
511421432032010
6435014342400
756501160240
oct14425735040
94308664810
101683470880
11794303653
123ab95aa00
1320aa0cc20
1411d821b20
159cbdb2c0
hex6457ba20

1683470880 has 576 divisors, whose sum is σ = 7330901760. Its totient is φ = 342171648.

The previous prime is 1683470879. The next prime is 1683470891. The reversal of 1683470880 is 880743861.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3799939 + ... + 3800381.

It is an arithmetic number, because the mean of its divisors is an integer number (12727260).

Almost surely, 21683470880 is an apocalyptic number.

1683470880 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 1683470880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3665450880).

1683470880 is an abundant number, since it is smaller than the sum of its proper divisors (5647430880).

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

1683470880 is a wasteful number, since it uses less digits than its factorization.

1683470880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 1683470880 is about 41030.1216181478. The cubic root of 1683470880 is about 1189.6025035875.

The spelling of 1683470880 in words is "one billion, six hundred eighty-three million, four hundred seventy thousand, eight hundred eighty".