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288920134 = 2178497651
BaseRepresentation
bin10001001110001…
…001001001000110
3202010122122220201
4101032021021012
51042430421014
644400321114
710105531516
oct2116111106
9663578821
10288920134
111390a6a78
128091319a
1347b1b879
142a52b846
151a570e74
hex11389246

288920134 has 8 divisors (see below), whose sum is σ = 458873208. Its totient is φ = 135962400.

The previous prime is 288920131. The next prime is 288920167. The reversal of 288920134 is 431029882.

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 = 288920093 and 288920102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288920131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4248792 + ... + 4248859.

It is an arithmetic number, because the mean of its divisors is an integer number (57359151).

Almost surely, 2288920134 is an apocalyptic number.

288920134 is a deficient number, since it is larger than the sum of its proper divisors (169953074).

288920134 is a wasteful number, since it uses less digits than its factorization.

288920134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8497670.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 288920134 is about 16997.6508376893. The cubic root of 288920134 is about 661.0879927535.

The spelling of 288920134 in words is "two hundred eighty-eight million, nine hundred twenty thousand, one hundred thirty-four".

Divisors: 1 2 17 34 8497651 16995302 144460067 288920134