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208924005 = 35113123259
BaseRepresentation
bin11000111001111…
…10110101100101
3112120010102212010
430130332311211
5411441032010
632421544433
75114552613
oct1434766545
9476112763
10208924005
11a7a28774
1259b75119
1334390194
141da666b3
151351d620
hexc73ed65

208924005 has 16 divisors (see below), whose sum is σ = 337239360. Its totient is φ = 110439168.

The previous prime is 208924003. The next prime is 208924007. The reversal of 208924005 is 500429802.

It is an interprime number because it is at equal distance from previous prime (208924003) and next prime (208924007).

It is not a de Polignac number, because 208924005 - 21 = 208924003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208924003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59935 + ... + 63324.

It is an arithmetic number, because the mean of its divisors is an integer number (21077460).

Almost surely, 2208924005 is an apocalyptic number.

It is an amenable number.

208924005 is a deficient number, since it is larger than the sum of its proper divisors (128315355).

208924005 is a wasteful number, since it uses less digits than its factorization.

208924005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123380.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 208924005 is about 14454.2037137990. The cubic root of 208924005 is about 593.3752770570.

The spelling of 208924005 in words is "two hundred eight million, nine hundred twenty-four thousand, five".

Divisors: 1 3 5 15 113 339 565 1695 123259 369777 616295 1848885 13928267 41784801 69641335 208924005