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208142601 = 3281246907
BaseRepresentation
bin11000110100000…
…00000100001001
3112111122201222020
430122000010021
5411241030401
632353115053
75105116512
oct1432000411
9474581866
10208142601
11a7544687
1259858a89
1334178604
141d901a09
1513416d36
hexc680109

208142601 has 8 divisors (see below), whose sum is σ = 278512224. Its totient is φ = 138267360.

The previous prime is 208142581. The next prime is 208142603. The reversal of 208142601 is 106241802.

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

It is not a de Polignac number, because 208142601 - 26 = 208142537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (208142603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122611 + ... + 124296.

It is an arithmetic number, because the mean of its divisors is an integer number (34814028).

Almost surely, 2208142601 is an apocalyptic number.

It is an amenable number.

208142601 is a deficient number, since it is larger than the sum of its proper divisors (70369623).

208142601 is a wasteful number, since it uses less digits than its factorization.

208142601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247191.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 208142601 is about 14427.1480549691. The cubic root of 208142601 is about 592.6345849623.

The spelling of 208142601 in words is "two hundred eight million, one hundred forty-two thousand, six hundred one".

Divisors: 1 3 281 843 246907 740721 69380867 208142601