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445134375 = 3255721719
BaseRepresentation
bin11010100010000…
…011011000100111
31011000121011120100
4122202003120213
51402423300000
6112100435143
714013402600
oct3242033047
91130534510
10445134375
112092a3054
121050a8ab3
13712b512a
1443192da7
152912ba00
hex1a883627

445134375 has 216 divisors, whose sum is σ = 1041964560. Its totient is φ = 181440000.

The previous prime is 445134373. The next prime is 445134397. The reversal of 445134375 is 573431544.

It is not a de Polignac number, because 445134375 - 21 = 445134373 is a prime.

It is a super-2 number, since 2×4451343752 = 396289223613281250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445134373) 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 215 ways as a sum of consecutive naturals, for example, 23428116 + ... + 23428134.

It is an arithmetic number, because the mean of its divisors is an integer number (4823910).

Almost surely, 2445134375 is an apocalyptic number.

445134375 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

445134375 is an abundant number, since it is smaller than the sum of its proper divisors (596830185).

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

445134375 is a wasteful number, since it uses less digits than its factorization.

445134375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 51 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 445134375 is about 21098.2078622806. The cubic root of 445134375 is about 763.5375108783.

The spelling of 445134375 in words is "four hundred forty-five million, one hundred thirty-four thousand, three hundred seventy-five".