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445226 = 2222613
BaseRepresentation
bin1101100101100101010
3211121201212
41230230222
5103221401
613313122
73533015
oct1545452
9747655
10445226
11284561
121957a2
13127862
14b837c
158bdbb
hex6cb2a

445226 has 4 divisors (see below), whose sum is σ = 667842. Its totient is φ = 222612.

The previous prime is 445199. The next prime is 445229. The reversal of 445226 is 622544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 421201 + 24025 = 649^2 + 155^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 445226.

It is not an unprimeable number, because it can be changed into a prime (445229) by changing a digit.

445226 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111305 + ... + 111308.

2445226 is an apocalyptic number.

445226 is a deficient number, since it is larger than the sum of its proper divisors (222616).

445226 is a wasteful number, since it uses less digits than its factorization.

445226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222615.

The product of its digits is 1920, while the sum is 23.

The square root of 445226 is about 667.2525758661. The cubic root of 445226 is about 76.3589895303.

The spelling of 445226 in words is "four hundred forty-five thousand, two hundred twenty-six".

Divisors: 1 2 222613 445226