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160421120 = 285125329
BaseRepresentation
bin10011000111111…
…01010100000000
3102011212020101222
421203331110000
5312031433440
623530214212
73655362026
oct1143752400
9364766358
10160421120
118260a842
1245884368
132730a352
141743c716
15e13c2b5
hex98fd500

160421120 has 36 divisors (see below), whose sum is σ = 384261780. Its totient is φ = 64167936.

The previous prime is 160421117. The next prime is 160421137. The reversal of 160421120 is 21124061.

It can be written as a sum of positive squares in 2 ways, for example, as 101929216 + 58491904 = 10096^2 + 7648^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61385 + ... + 63944.

Almost surely, 2160421120 is an apocalyptic number.

160421120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160421120 is an abundant number, since it is smaller than the sum of its proper divisors (223840660).

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

160421120 is an equidigital number, since it uses as much as digits as its factorization.

160421120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125350 (or 125336 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 160421120 is about 12665.7459314483. The cubic root of 160421120 is about 543.3593958751.

Adding to 160421120 its reverse (21124061), we get a palindrome (181545181).

The spelling of 160421120 in words is "one hundred sixty million, four hundred twenty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 125329 250658 501316 626645 1002632 1253290 2005264 2506580 4010528 5013160 8021056 10026320 16042112 20052640 32084224 40105280 80210560 160421120