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160420144 = 2435328403
BaseRepresentation
bin10011000111111…
…01000100110000
3102011212012001211
421203331010300
5312031421034
623530205504
73655356133
oct1143750460
9364765054
10160420144
118260a035
1245883894
1327309a81
141743c21a
15e13bd64
hex98fd130

160420144 has 20 divisors (see below), whose sum is σ = 311705496. Its totient is φ = 79980032.

The previous prime is 160420121. The next prime is 160420153. The reversal of 160420144 is 441024061.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8554 + ... + 19849.

Almost surely, 2160420144 is an apocalyptic number.

It is an amenable number.

160420144 is a deficient number, since it is larger than the sum of its proper divisors (151285352).

160420144 is a wasteful number, since it uses less digits than its factorization.

160420144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28764 (or 28758 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 160420144 is about 12665.7074022733. The cubic root of 160420144 is about 543.3582939424.

The spelling of 160420144 in words is "one hundred sixty million, four hundred twenty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 353 706 1412 2824 5648 28403 56806 113612 227224 454448 10026259 20052518 40105036 80210072 160420144