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208067023 = 1039200257
BaseRepresentation
bin11000110011011…
…01100111001111
3112111111220022001
430121231213033
5411231121043
632351333131
75104353253
oct1431554717
9474456261
10208067023
11a74a291a
12598211a7
13341500a8
141d8c2263
15133ee74d
hexc66d9cf

208067023 has 4 divisors (see below), whose sum is σ = 208268320. Its totient is φ = 207865728.

The previous prime is 208067017. The next prime is 208067047. The reversal of 208067023 is 320760802.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-208067023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 208066982 and 208067000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208067003) 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 3 ways as a sum of consecutive naturals, for example, 99090 + ... + 101167.

It is an arithmetic number, because the mean of its divisors is an integer number (52067080).

Almost surely, 2208067023 is an apocalyptic number.

208067023 is a deficient number, since it is larger than the sum of its proper divisors (201297).

208067023 is a wasteful number, since it uses less digits than its factorization.

208067023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201296.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 208067023 is about 14424.5285191579. The cubic root of 208067023 is about 592.5628463902.

The spelling of 208067023 in words is "two hundred eight million, sixty-seven thousand, twenty-three".

Divisors: 1 1039 200257 208067023