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445354450 = 252291013041
BaseRepresentation
bin11010100010111…
…001000111010010
31011001000100110021
4122202321013102
51403002320300
6112105254054
714015310322
oct3242710722
91131010407
10445354450
11209433432
1210519432a
1371361358
144320d282
1529171d1a
hex1a8b91d2

445354450 has 48 divisors (see below), whose sum is σ = 865692360. Its totient is φ = 170240000.

The previous prime is 445354373. The next prime is 445354453. The reversal of 445354450 is 54453544.

It can be written as a sum of positive squares in 12 ways, for example, as 262861369 + 182493081 = 16213^2 + 13509^2 .

It is a super-2 number, since 2×4453544502 = 396681172269605000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445354453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144930 + ... + 147970.

Almost surely, 2445354450 is an apocalyptic number.

445354450 is a deficient number, since it is larger than the sum of its proper divisors (420337910).

445354450 is a wasteful number, since it uses less digits than its factorization.

445354450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183 (or 3178 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

The square root of 445354450 is about 21103.4227081770. The cubic root of 445354450 is about 763.6633214518.

The spelling of 445354450 in words is "four hundred forty-five million, three hundred fifty-four thousand, four hundred fifty".

Divisors: 1 2 5 10 25 29 50 58 101 145 202 290 505 725 1010 1450 2525 2929 3041 5050 5858 6082 14645 15205 29290 30410 73225 76025 88189 146450 152050 176378 307141 440945 614282 881890 1535705 2204725 3071410 4409450 7678525 8907089 15357050 17814178 44535445 89070890 222677225 445354450