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445034442 = 2374172407
BaseRepresentation
bin11010100001101…
…010111111001010
31011000102002111010
4122201222333022
51402412100232
6112054344350
714012505336
oct3241527712
91130362433
10445034442
11209234a66
1210505b0b6
137127b7b8
14431687c6
152910c0cc
hex1a86afca

445034442 has 8 divisors (see below), whose sum is σ = 890068896. Its totient is φ = 148344812.

The previous prime is 445034441. The next prime is 445034453. The reversal of 445034442 is 244430544.

It is a sphenic number, since it is the product of 3 distinct primes.

445034442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (445034441) 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, 37086198 + ... + 37086209.

It is an arithmetic number, because the mean of its divisors is an integer number (111258612).

Almost surely, 2445034442 is an apocalyptic number.

445034442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

445034442 is a wasteful number, since it uses less digits than its factorization.

445034442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74172412.

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 445034442 is about 21095.8394476257. The cubic root of 445034442 is about 763.4803683546.

Adding to 445034442 its reverse (244430544), we get a palindrome (689464986).

The spelling of 445034442 in words is "four hundred forty-five million, thirty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 74172407 148344814 222517221 445034442