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208043948 = 2277430141
BaseRepresentation
bin11000110011001…
…11111110101100
3112111110201122102
430121213332230
5411224401243
632351034232
75104226060
oct1431477654
9474421572
10208043948
11a7487552
125980b978
1334142738
141d8b7aa0
15133e79b8
hexc667fac

208043948 has 12 divisors (see below), whose sum is σ = 416087952. Its totient is φ = 89161680.

The previous prime is 208043929. The next prime is 208043959. The reversal of 208043948 is 849340802.

208043948 is an admirable number.

It is a super-3 number, since 3×2080439483 (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3715043 + ... + 3715098.

It is an arithmetic number, because the mean of its divisors is an integer number (34673996).

Almost surely, 2208043948 is an apocalyptic number.

208043948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

208043948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

208043948 is a wasteful number, since it uses less digits than its factorization.

208043948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7430152 (or 7430150 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 208043948 is about 14423.7286441475. The cubic root of 208043948 is about 592.5409401586.

The spelling of 208043948 in words is "two hundred eight million, forty-three thousand, nine hundred forty-eight".

Divisors: 1 2 4 7 14 28 7430141 14860282 29720564 52010987 104021974 208043948