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4772645 = 59772
BaseRepresentation
bin10010001101001100100101
322222110211122
4102031030211
52210211040
6250143325
755365263
oct22151445
98873748
104772645
11276a839
121721b45
13cb1467
148c3433
156441b5
hex48d325

4772645 has 6 divisors (see below), whose sum is σ = 5733042. Its totient is φ = 3814208.

The previous prime is 4772623. The next prime is 4772653. The reversal of 4772645 is 5462774.

It can be written as a sum of positive squares in 3 ways, for example, as 2696164 + 2076481 = 1642^2 + 1441^2 .

It is not a de Polignac number, because 4772645 - 212 = 4768549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4397 + ... + 5373.

It is an arithmetic number, because the mean of its divisors is an integer number (955507).

Almost surely, 24772645 is an apocalyptic number.

It is an amenable number.

4772645 is a deficient number, since it is larger than the sum of its proper divisors (960397).

4772645 is an frugal number, since it uses more digits than its factorization.

4772645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959 (or 982 counting only the distinct ones).

The product of its digits is 47040, while the sum is 35.

The square root of 4772645 is about 2184.6384140173. The cubic root of 4772645 is about 168.3654765488.

The spelling of 4772645 in words is "four million, seven hundred seventy-two thousand, six hundred forty-five".

Divisors: 1 5 977 4885 954529 4772645