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208361612 = 2252090403
BaseRepresentation
bin11000110101101…
…01100010001100
3112112001212101202
430122311202030
5411320032422
632401525032
75110021154
oct1432654214
9475055352
10208361612
11a7684188
1259943778
13342241c4
141d95b764
151345bb92
hexc6b588c

208361612 has 6 divisors (see below), whose sum is σ = 364632828. Its totient is φ = 104180804.

The previous prime is 208361597. The next prime is 208361651. The reversal of 208361612 is 216163802.

It is a super-2 number, since 2×2083616122 = 86829122710477088, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 26045198 + ... + 26045205.

It is an arithmetic number, because the mean of its divisors is an integer number (60772138).

Almost surely, 2208361612 is an apocalyptic number.

It is an amenable number.

208361612 is a deficient number, since it is larger than the sum of its proper divisors (156271216).

208361612 is a wasteful number, since it uses less digits than its factorization.

208361612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52090407 (or 52090405 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 208361612 is about 14434.7362982494. The cubic root of 208361612 is about 592.8423719882.

The spelling of 208361612 in words is "two hundred eight million, three hundred sixty-one thousand, six hundred twelve".

Divisors: 1 2 4 52090403 104180806 208361612