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1514420161 = 3209471929
BaseRepresentation
bin101101001000100…
…0011011111000001
310220112122111220121
41122101003133001
511100142421121
6410135140241
752346234062
oct13221033701
93815574817
101514420161
1170793a311
12363214681
131b19a0a07
141051b8569
158ce47141
hex5a4437c1

1514420161 has 4 divisors (see below), whose sum is σ = 1514895300. Its totient is φ = 1513945024.

The previous prime is 1514420147. The next prime is 1514420177. The reversal of 1514420161 is 1610244151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1610244151 = 2416681511.

It can be written as a sum of positive squares in 2 ways, for example, as 1243620225 + 270799936 = 35265^2 + 16456^2 .

It is a cyclic number.

It is not a de Polignac number, because 1514420161 - 29 = 1514419649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1514420191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232756 + ... + 239173.

It is an arithmetic number, because the mean of its divisors is an integer number (378723825).

Almost surely, 21514420161 is an apocalyptic number.

It is an amenable number.

1514420161 is a deficient number, since it is larger than the sum of its proper divisors (475139).

1514420161 is an equidigital number, since it uses as much as digits as its factorization.

1514420161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475138.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1514420161 is about 38915.5516599726. The cubic root of 1514420161 is about 1148.3707643641.

The spelling of 1514420161 in words is "one billion, five hundred fourteen million, four hundred twenty thousand, one hundred sixty-one".

Divisors: 1 3209 471929 1514420161