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442011227 = 763144461
BaseRepresentation
bin11010010110001…
…000111001011011
31010210201111102012
4122112020321123
51401123324402
6111505500135
713645014320
oct3226107133
91123644365
10442011227
1120755a639
1210404164b
1370760708
14429bcb47
1528c11452
hex1a588e5b

442011227 has 4 divisors (see below), whose sum is σ = 505155696. Its totient is φ = 378866760.

The previous prime is 442011223. The next prime is 442011239. The reversal of 442011227 is 722110244.

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

It is a cyclic number.

It is not a de Polignac number, because 442011227 - 22 = 442011223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442011223) 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, 31572224 + ... + 31572237.

It is an arithmetic number, because the mean of its divisors is an integer number (126288924).

Almost surely, 2442011227 is an apocalyptic number.

442011227 is a deficient number, since it is larger than the sum of its proper divisors (63144469).

442011227 is an equidigital number, since it uses as much as digits as its factorization.

442011227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63144468.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 442011227 is about 21024.0630468994. The cubic root of 442011227 is about 761.7476097781.

The spelling of 442011227 in words is "four hundred forty-two million, eleven thousand, two hundred twenty-seven".

Divisors: 1 7 63144461 442011227