Search a number
-
+
1685092716 = 223246808131
BaseRepresentation
bin110010001110000…
…0111100101101100
311100102210120122100
41210130013211230
511422340431331
6435113215100
756521023516
oct14434074554
94312716570
101685092716
1179521110a
123b0401490
1320b15a1a8
1411db24bb6
159ce0bae6
hex6470796c

1685092716 has 18 divisors (see below), whose sum is σ = 4259540012. Its totient is φ = 561697560.

The previous prime is 1685092711. The next prime is 1685092727. The reversal of 1685092716 is 6172905861.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1685092711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23404030 + ... + 23404101.

Almost surely, 21685092716 is an apocalyptic number.

It is an amenable number.

1685092716 is an abundant number, since it is smaller than the sum of its proper divisors (2574447296).

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

1685092716 is a wasteful number, since it uses less digits than its factorization.

1685092716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46808141 (or 46808136 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 1685092716 is about 41049.8808280852. The cubic root of 1685092716 is about 1189.9843973191.

The spelling of 1685092716 in words is "one billion, six hundred eighty-five million, ninety-two thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 46808131 93616262 140424393 187232524 280848786 421273179 561697572 842546358 1685092716