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4668820 = 2251317957
BaseRepresentation
bin10001110011110110010100
322210012102021
4101303312110
52143400240
6244022524
754453502
oct21636624
98705367
104668820
1126a9832
121691a44
13c76120
14897672
1562354a
hex473d94

4668820 has 24 divisors (see below), whose sum is σ = 10559304. Its totient is φ = 1723776.

The previous prime is 4668803. The next prime is 4668827. The reversal of 4668820 is 288664.

It can be written as a sum of positive squares in 4 ways, for example, as 1119364 + 3549456 = 1058^2 + 1884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4668827) 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, 8719 + ... + 9238.

It is an arithmetic number, because the mean of its divisors is an integer number (439971).

Almost surely, 24668820 is an apocalyptic number.

It is an amenable number.

4668820 is an abundant number, since it is smaller than the sum of its proper divisors (5890484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4668820 is a wasteful number, since it uses less digits than its factorization.

4668820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17979 (or 17977 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 4668820 is about 2160.7452418089. The cubic root of 4668820 is about 167.1356303121.

The spelling of 4668820 in words is "four million, six hundred sixty-eight thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 17957 35914 71828 89785 179570 233441 359140 466882 933764 1167205 2334410 4668820