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4628161 = 9747713
BaseRepresentation
bin10001101001111011000001
322201010122101
4101221323001
52141100121
6243110401
754224116
oct21517301
98633571
104628161
11268122a
121672401
13c60775
1488690d
15616491
hex469ec1

4628161 has 4 divisors (see below), whose sum is σ = 4675972. Its totient is φ = 4580352.

The previous prime is 4628111. The next prime is 4628177. The reversal of 4628161 is 1618264.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1168561 + 3459600 = 1081^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 4628161 - 27 = 4628033 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4628101) 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 3 ways as a sum of consecutive naturals, for example, 23760 + ... + 23953.

It is an arithmetic number, because the mean of its divisors is an integer number (1168993).

Almost surely, 24628161 is an apocalyptic number.

It is an amenable number.

4628161 is a deficient number, since it is larger than the sum of its proper divisors (47811).

4628161 is an equidigital number, since it uses as much as digits as its factorization.

4628161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47810.

The product of its digits is 2304, while the sum is 28.

The square root of 4628161 is about 2151.3161088041. The cubic root of 4628161 is about 166.6490412472.

The spelling of 4628161 in words is "four million, six hundred twenty-eight thousand, one hundred sixty-one".

Divisors: 1 97 47713 4628161