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445380612 = 223131311911
BaseRepresentation
bin11010100010111…
…111100000000100
31011001001200100020
4122202333200010
51403004134422
6112110015140
714015446515
oct3242774004
91131050306
10445380612
11209451056
121051a74b0
1371370231
1443218a0c
152917995c
hex1a8bf804

445380612 has 48 divisors (see below), whose sum is σ = 1051674624. Its totient is φ = 146692000.

The previous prime is 445380553. The next prime is 445380619. The reversal of 445380612 is 216083544.

It is not an unprimeable number, because it can be changed into a prime (445380619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488437 + ... + 489347.

It is an arithmetic number, because the mean of its divisors is an integer number (21909888).

Almost surely, 2445380612 is an apocalyptic number.

It is an amenable number.

445380612 is an abundant number, since it is smaller than the sum of its proper divisors (606294012).

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

445380612 is a wasteful number, since it uses less digits than its factorization.

445380612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360 (or 1358 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 445380612 is about 21104.0425511322. The cubic root of 445380612 is about 763.6782747612.

The spelling of 445380612 in words is "four hundred forty-five million, three hundred eighty thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 131 262 311 393 524 622 786 911 933 1244 1572 1822 1866 2733 3644 3732 5466 10932 40741 81482 119341 122223 162964 238682 244446 283321 358023 477364 488892 566642 716046 849963 1133284 1432092 1699926 3399852 37115051 74230102 111345153 148460204 222690306 445380612