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160030385 = 5137233621
BaseRepresentation
bin10011000100111…
…01111010110001
3102011010101102022
421202131322301
5311431433020
623514001225
73652143614
oct1142357261
9364111368
10160030385
1182373219
1245716215
1327201548
141737a17b
15e0b1625
hex989deb1

160030385 has 8 divisors (see below), whose sum is σ = 193439016. Its totient is φ = 127089280.

The previous prime is 160030357. The next prime is 160030399. The reversal of 160030385 is 583030061.

It can be written as a sum of positive squares in 4 ways, for example, as 564001 + 159466384 = 751^2 + 12628^2 .

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

It is not a de Polignac number, because 160030385 - 210 = 160029361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116126 + ... + 117495.

It is an arithmetic number, because the mean of its divisors is an integer number (24179877).

Almost surely, 2160030385 is an apocalyptic number.

It is an amenable number.

160030385 is a deficient number, since it is larger than the sum of its proper divisors (33408631).

160030385 is a wasteful number, since it uses less digits than its factorization.

160030385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233763.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 160030385 is about 12650.3116562399. The cubic root of 160030385 is about 542.9178868018.

The spelling of 160030385 in words is "one hundred sixty million, thirty thousand, three hundred eighty-five".

Divisors: 1 5 137 685 233621 1168105 32006077 160030385