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445242532 = 22715901519
BaseRepresentation
bin11010100010011…
…101110010100100
31011000210122221011
4122202131302210
51402440230112
6112103032004
714014333120
oct3242356244
91130718834
10445242532
11209367339
1210513b604
1371322427
14431c0580
152914daa7
hex1a89dca4

445242532 has 12 divisors (see below), whose sum is σ = 890485120. Its totient is φ = 190818216.

The previous prime is 445242527. The next prime is 445242557. The reversal of 445242532 is 235242544.

445242532 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 445242494 and 445242503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7950732 + ... + 7950787.

Almost surely, 2445242532 is an apocalyptic number.

It is an amenable number.

445242532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

445242532 is a wasteful number, since it uses less digits than its factorization.

445242532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15901530 (or 15901528 counting only the distinct ones).

The product of its digits is 38400, while the sum is 31.

The square root of 445242532 is about 21100.7708863918. The cubic root of 445242532 is about 763.5993463177.

The spelling of 445242532 in words is "four hundred forty-five million, two hundred forty-two thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 28 15901519 31803038 63606076 111310633 222621266 445242532