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160000 = 2854
BaseRepresentation
bin100111000100000000
322010110221
4213010000
520110000
63232424
71234321
oct470400
9263427
10160000
11aa235
1278714
1357a99
1442448
153261a
hex27100

160000 has 45 divisors (see below), whose sum is σ = 399091. Its totient is φ = 64000.

The previous prime is 159979. The next prime is 160001. The reversal of 160000 is 61.

Adding to 160000 its reverse (61), we get a palindrome (160061).

160000 = T399 + T400.

The square root of 160000 is 400.

It is a perfect power (a square, a biquadrate), and thus also a powerful number.

160000 is nontrivially palindromic in base 7.

160000 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 12544 + 147456 = 112^2 + 384^2 .

It is a hoax number, since the sum of its digits (7) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 4 ways as a sum of consecutive naturals, for example, 31998 + ... + 32002.

2160000 is an apocalyptic number.

160000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

160000 is the 400-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 160000

160000 is an abundant number, since it is smaller than the sum of its proper divisors (239091).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

160000 is an frugal number, since it uses more digits than its factorization.

160000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36 (or 7 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The cubic root of 160000 is about 54.2883523319.

The spelling of 160000 in words is "one hundred sixty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 625 640 800 1000 1250 1280 1600 2000 2500 3200 4000 5000 6400 8000 10000 16000 20000 32000 40000 80000 160000