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444737427 = 31919340427
BaseRepresentation
bin11010100000100…
…010011110010011
31010222212000001120
4122200202132103
51402323044202
6112044133323
714010130401
oct3240423623
91128760046
10444737427
112090518a2
12104b37243
13711a6554
14430cc471
152909e0bc
hex1a822793

444737427 has 16 divisors (see below), whose sum is σ = 627442560. Its totient is φ = 279424512.

The previous prime is 444737413. The next prime is 444737429. The reversal of 444737427 is 724737444.

It is not a de Polignac number, because 444737427 - 216 = 444671891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (444737429) 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 15 ways as a sum of consecutive naturals, for example, 9213 + ... + 31214.

It is an arithmetic number, because the mean of its divisors is an integer number (39215160).

Almost surely, 2444737427 is an apocalyptic number.

444737427 is a deficient number, since it is larger than the sum of its proper divisors (182705133).

444737427 is a wasteful number, since it uses less digits than its factorization.

444737427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40642.

The product of its digits is 526848, while the sum is 42.

The square root of 444737427 is about 21088.7986144304. The cubic root of 444737427 is about 763.3104821866.

The spelling of 444737427 in words is "four hundred forty-four million, seven hundred thirty-seven thousand, four hundred twenty-seven".

Divisors: 1 3 19 57 193 579 3667 11001 40427 121281 768113 2304339 7802411 23407233 148245809 444737427