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208670038 = 2281371299
BaseRepresentation
bin11000111000000…
…00110101010110
3112112122112110221
430130000311112
5411404420123
632412304554
75112444313
oct1434006526
9475575427
10208670038
11a7874985
1259a7215a
13343016c5
141d9dbd0a
15134bd25d
hexc700d56

208670038 has 8 divisors (see below), whose sum is σ = 314119800. Its totient is φ = 103963440.

The previous prime is 208670003. The next prime is 208670039. The reversal of 208670038 is 830076802.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 208669985 and 208670012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208670039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185088 + ... + 186211.

It is an arithmetic number, because the mean of its divisors is an integer number (39264975).

Almost surely, 2208670038 is an apocalyptic number.

208670038 is a deficient number, since it is larger than the sum of its proper divisors (105449762).

208670038 is a wasteful number, since it uses less digits than its factorization.

208670038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371582.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 208670038 is about 14445.4158126376. The cubic root of 208670038 is about 593.1347448713.

The spelling of 208670038 in words is "two hundred eight million, six hundred seventy thousand, thirty-eight".

Divisors: 1 2 281 562 371299 742598 104335019 208670038