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445752852 = 223172975347
BaseRepresentation
bin11010100100011…
…010011000010100
31011001202120221220
4122210122120110
51403103042402
6112122010340
714021556666
oct3244323024
91131676856
10445752852
11209685796
121053469b0
13714707ac
14432b4536
15291eedbc
hex1a91a614

445752852 has 48 divisors (see below), whose sum is σ = 1139261760. Its totient is φ = 135020032.

The previous prime is 445752799. The next prime is 445752871. The reversal of 445752852 is 258257544.

It is a super-2 number, since 2×4457528522 = 397391210132267808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31758 + ... + 43589.

It is an arithmetic number, because the mean of its divisors is an integer number (23734620).

Almost surely, 2445752852 is an apocalyptic number.

It is an amenable number.

445752852 is an abundant number, since it is smaller than the sum of its proper divisors (693508908).

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

445752852 is a wasteful number, since it uses less digits than its factorization.

445752852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75400 (or 75398 counting only the distinct ones).

The product of its digits is 448000, while the sum is 42.

The square root of 445752852 is about 21112.8598725990. The cubic root of 445752852 is about 763.8909710737.

The spelling of 445752852 in words is "four hundred forty-five million, seven hundred fifty-two thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 17 29 34 51 58 68 87 102 116 174 204 348 493 986 1479 1972 2958 5916 75347 150694 226041 301388 452082 904164 1280899 2185063 2561798 3842697 4370126 5123596 6555189 7685394 8740252 13110378 15370788 26220756 37146071 74292142 111438213 148584284 222876426 445752852