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4897161 = 32544129
BaseRepresentation
bin10010101011100110001001
3100012210122100
4102223212021
52223202121
6252544013
756424303
oct22534611
910183570
104897161
112845345
121782009
131026039
14916973
1566b026
hex4ab989

4897161 has 6 divisors (see below), whose sum is σ = 7073690. Its totient is φ = 3264768.

The previous prime is 4897157. The next prime is 4897171. The reversal of 4897161 is 1617984.

It can be written as a sum of positive squares in only one way, i.e., 3825936 + 1071225 = 1956^2 + 1035^2 .

It is not a de Polignac number, because 4897161 - 22 = 4897157 is a prime.

It is a super-3 number, since 3×48971613 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4897171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 272056 + ... + 272073.

Almost surely, 24897161 is an apocalyptic number.

It is an amenable number.

4897161 is a deficient number, since it is larger than the sum of its proper divisors (2176529).

4897161 is a wasteful number, since it uses less digits than its factorization.

4897161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544135 (or 544132 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 4897161 is about 2212.9530044716. The cubic root of 4897161 is about 169.8171158980.

The spelling of 4897161 in words is "four million, eight hundred ninety-seven thousand, one hundred sixty-one".

Divisors: 1 3 9 544129 1632387 4897161