Search a number
-
+
1683888355 = 53133493083
BaseRepresentation
bin110010001011110…
…0001100011100011
311100100112101120101
41210113201203203
511422033411410
6435031323231
756504546332
oct14427414343
94310471511
101683888355
11794569276
123abb20517
1320ab27c56
1411d8cdd19
159cc6ed3a
hex645e18e3

1683888355 has 16 divisors (see below), whose sum is σ = 2033589600. Its totient is φ = 1338524928.

The previous prime is 1683888343. The next prime is 1683888359. The reversal of 1683888355 is 5538883861.

It is a cyclic number.

It is not a de Polignac number, because 1683888355 - 211 = 1683886307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1683888296 and 1683888305.

It is not an unprimeable number, because it can be changed into a prime (1683888359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544644 + ... + 547726.

It is an arithmetic number, because the mean of its divisors is an integer number (127099350).

Almost surely, 21683888355 is an apocalyptic number.

1683888355 is a deficient number, since it is larger than the sum of its proper divisors (349701245).

1683888355 is a wasteful number, since it uses less digits than its factorization.

1683888355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750.

The product of its digits is 5529600, while the sum is 55.

The square root of 1683888355 is about 41035.2087237289. The cubic root of 1683888355 is about 1189.7008298618.

The spelling of 1683888355 in words is "one billion, six hundred eighty-three million, eight hundred eighty-eight thousand, three hundred fifty-five".

Divisors: 1 5 313 349 1565 1745 3083 15415 109237 546185 964979 1075967 4824895 5379835 336777671 1683888355