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4620145 = 56731373
BaseRepresentation
bin10001100111111101110001
322200201122111
4101213331301
52140321040
6243005321
754161545
oct21477561
98621574
104620145
112676202
121669841
13c59c1a
14883a25
15613dea
hex467f71

4620145 has 8 divisors (see below), whose sum is σ = 5556456. Its totient is φ = 3687936.

The previous prime is 4620139. The next prime is 4620149. The reversal of 4620145 is 5410264.

It can be written as a sum of positive squares in 4 ways, for example, as 1354896 + 3265249 = 1164^2 + 1807^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4620145 - 23 = 4620137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4620149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2679 + ... + 4051.

It is an arithmetic number, because the mean of its divisors is an integer number (694557).

Almost surely, 24620145 is an apocalyptic number.

It is an amenable number.

4620145 is a deficient number, since it is larger than the sum of its proper divisors (936311).

4620145 is a wasteful number, since it uses less digits than its factorization.

4620145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4620145 is about 2149.4522558084. The cubic root of 4620145 is about 166.5527732986.

The spelling of 4620145 in words is "four million, six hundred twenty thousand, one hundred forty-five".

Divisors: 1 5 673 1373 3365 6865 924029 4620145