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239090 = 2523909
BaseRepresentation
bin111010010111110010
3110010222012
4322113302
530122330
65042522
72014025
oct722762
9403865
10239090
111536a5
12b6442
1384a97
14631bc
154ac95
hex3a5f2

239090 has 8 divisors (see below), whose sum is σ = 430380. Its totient is φ = 95632.

The previous prime is 239087. The next prime is 239119. The reversal of 239090 is 90932.

239090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 212521 + 26569 = 461^2 + 163^2 .

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

It is an Ulam number.

It is a nialpdrome in base 12.

It is an unprimeable number.

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, 11945 + ... + 11964.

2239090 is an apocalyptic number.

239090 is a deficient number, since it is larger than the sum of its proper divisors (191290).

239090 is a wasteful number, since it uses less digits than its factorization.

239090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23916.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 239090 is about 488.9683016311. The cubic root of 239090 is about 62.0660067058.

The spelling of 239090 in words is "two hundred thirty-nine thousand, ninety".

Divisors: 1 2 5 10 23909 47818 119545 239090