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445305148 = 22111326287
BaseRepresentation
bin11010100010101…
…101000100111100
31011000220211211021
4122202231010330
51402444231043
6112104233524
714015013511
oct3242550474
91130824737
10445305148
112093aa392
1210516b8a4
1371344a92
14431d9308
15291623ed
hex1a8ad13c

445305148 has 6 divisors (see below), whose sum is σ = 779284016. Its totient is φ = 222652572.

The previous prime is 445305143. The next prime is 445305187. The reversal of 445305148 is 841503544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445305143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55663140 + ... + 55663147.

Almost surely, 2445305148 is an apocalyptic number.

It is an amenable number.

445305148 is a deficient number, since it is larger than the sum of its proper divisors (333978868).

445305148 is a wasteful number, since it uses less digits than its factorization.

445305148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111326291 (or 111326289 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 445305148 is about 21102.2545714907. The cubic root of 445305148 is about 763.6351405137.

The spelling of 445305148 in words is "four hundred forty-five million, three hundred five thousand, one hundred forty-eight".

Divisors: 1 2 4 111326287 222652574 445305148