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4684645 = 57219121
BaseRepresentation
bin10001110111101101100101
322211000010101
4101313231211
52144402040
6244224101
754550600
oct21675545
98730111
104684645
11270a709
12169b031
13c803a4
1489d337
1562809a
hex477b65

4684645 has 12 divisors (see below), whose sum is σ = 6539724. Its totient is φ = 3212160.

The previous prime is 4684633. The next prime is 4684661. The reversal of 4684645 is 5464864.

It can be written as a sum of positive squares in 2 ways, for example, as 2989441 + 1695204 = 1729^2 + 1302^2 .

It is not a de Polignac number, because 4684645 - 25 = 4684613 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 11 ways as a sum of consecutive naturals, for example, 9316 + ... + 9805.

It is an arithmetic number, because the mean of its divisors is an integer number (544977).

Almost surely, 24684645 is an apocalyptic number.

It is an amenable number.

4684645 is a deficient number, since it is larger than the sum of its proper divisors (1855079).

4684645 is a wasteful number, since it uses less digits than its factorization.

4684645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19140 (or 19133 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 4684645 is about 2164.4040750285. The cubic root of 4684645 is about 167.3242531787.

It can be divided in two parts, 4684 and 645, that added together give a square (5329 = 732).

The spelling of 4684645 in words is "four million, six hundred eighty-four thousand, six hundred forty-five".

Divisors: 1 5 7 35 49 245 19121 95605 133847 669235 936929 4684645