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445021341 = 3148340447
BaseRepresentation
bin11010100001100…
…111110010011101
31011000101102111220
4122201213302131
51402411140331
6112054203553
714012422212
oct3241476235
91130342456
10445021341
11209226136
121050535b9
137127584b
1443163b09
1529108296
hex1a867c9d

445021341 has 4 divisors (see below), whose sum is σ = 593361792. Its totient is φ = 296680892.

The previous prime is 445021321. The next prime is 445021351. The reversal of 445021341 is 143120544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 445021341 - 25 = 445021309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445021321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74170221 + ... + 74170226.

It is an arithmetic number, because the mean of its divisors is an integer number (148340448).

Almost surely, 2445021341 is an apocalyptic number.

It is an amenable number.

445021341 is a deficient number, since it is larger than the sum of its proper divisors (148340451).

445021341 is a wasteful number, since it uses less digits than its factorization.

445021341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148340450.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 445021341 is about 21095.5289338760. The cubic root of 445021341 is about 763.4728764592.

Adding to 445021341 its reverse (143120544), we get a palindrome (588141885).

The spelling of 445021341 in words is "four hundred forty-five million, twenty-one thousand, three hundred forty-one".

Divisors: 1 3 148340447 445021341