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208013804 = 22487710663
BaseRepresentation
bin11000110011000…
…00100111101100
3112111102012021222
430121200213230
5411222420204
632350242512
75104042145
oct1431404754
9474365258
10208013804
11a7466939
12597b6438
1334131abb
141d8aaacc
15133ddabe
hexc6609ec

208013804 has 12 divisors (see below), whose sum is σ = 364132944. Its totient is φ = 103975824.

The previous prime is 208013789. The next prime is 208013809. The reversal of 208013804 is 408310802.

It is not an unprimeable number, because it can be changed into a prime (208013809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14177 + ... + 24839.

It is an arithmetic number, because the mean of its divisors is an integer number (30344412).

Almost surely, 2208013804 is an apocalyptic number.

It is an amenable number.

208013804 is a deficient number, since it is larger than the sum of its proper divisors (156119140).

208013804 is a wasteful number, since it uses less digits than its factorization.

208013804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15544 (or 15542 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 208013804 is about 14422.6836615104. The cubic root of 208013804 is about 592.5123205376.

The spelling of 208013804 in words is "two hundred eight million, thirteen thousand, eight hundred four".

Divisors: 1 2 4 4877 9754 10663 19508 21326 42652 52003451 104006902 208013804