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4494868 = 2272171971
BaseRepresentation
bin10001001001011000010100
322110100210121
4101021120110
52122313433
6240201324
753130400
oct21113024
98410717
104494868
1125a0074
121609244
13c14bb1
14850100
155dbc2d
hex449614

4494868 has 72 divisors (see below), whose sum is σ = 10342080. Its totient is φ = 1693440.

The previous prime is 4494859. The next prime is 4494881. The reversal of 4494868 is 8684944.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63273 + ... + 63343.

It is an arithmetic number, because the mean of its divisors is an integer number (143640).

Almost surely, 24494868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4494868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5171040).

4494868 is an abundant number, since it is smaller than the sum of its proper divisors (5847212).

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

4494868 is a wasteful number, since it uses less digits than its factorization.

4494868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 116 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 4494868 is about 2120.1103744853. The cubic root of 4494868 is about 165.0335774946.

The spelling of 4494868 in words is "four million, four hundred ninety-four thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 17 19 28 34 38 49 68 71 76 98 119 133 142 196 238 266 284 323 476 497 532 646 833 931 994 1207 1292 1349 1666 1862 1988 2261 2414 2698 3332 3479 3724 4522 4828 5396 6958 8449 9044 9443 13916 15827 16898 18886 22933 31654 33796 37772 45866 59143 63308 66101 91732 118286 132202 160531 236572 264404 321062 642124 1123717 2247434 4494868