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1680050 = 25233601
BaseRepresentation
bin110011010001010110010
310011100121002
412122022302
5412230200
6100002002
720165051
oct6321262
93140532
101680050
11a48279
12690302
1346a918
1431a398
15232bd5
hex19a2b2

1680050 has 12 divisors (see below), whose sum is σ = 3124986. Its totient is φ = 672000.

The previous prime is 1680023. The next prime is 1680071. The reversal of 1680050 is 500861.

It can be written as a sum of positive squares in 3 ways, for example, as 674041 + 1006009 = 821^2 + 1003^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16751 + ... + 16850.

21680050 is an apocalyptic number.

1680050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1680050 is a deficient number, since it is larger than the sum of its proper divisors (1444936).

1680050 is a wasteful number, since it uses less digits than its factorization.

1680050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33613 (or 33608 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1680050 is about 1296.1674274568. The cubic root of 1680050 is about 118.8796183932.

It can be divided in two parts, 16 and 80050, that multiplied together give a triangular number (1280800 = T1600).

The spelling of 1680050 in words is "one million, six hundred eighty thousand, fifty".

Divisors: 1 2 5 10 25 50 33601 67202 168005 336010 840025 1680050