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444424470 = 23572116307
BaseRepresentation
bin11010011111010…
…110000100010110
31010222021002202120
4122133112010112
51402233040340
6112033320410
714004355110
oct3237260426
91128232676
10444424470
11208958756
12104a06106
13710c6c79
144304a3b0
152903b4d0
hex1a7d6116

444424470 has 32 divisors (see below), whose sum is σ = 1218993408. Its totient is φ = 101582688.

The previous prime is 444424457. The next prime is 444424471. The reversal of 444424470 is 74424444.

It is a super-3 number, since 3×4444244703 (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444424471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057944 + ... + 1058363.

It is an arithmetic number, because the mean of its divisors is an integer number (38093544).

Almost surely, 2444424470 is an apocalyptic number.

444424470 is an abundant number, since it is smaller than the sum of its proper divisors (774568938).

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

444424470 is a wasteful number, since it uses less digits than its factorization.

444424470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116324.

The product of its (nonzero) digits is 57344, while the sum is 33.

The square root of 444424470 is about 21081.3773269206. The cubic root of 444424470 is about 763.1313956821.

The spelling of 444424470 in words is "four hundred forty-four million, four hundred twenty-four thousand, four hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 2116307 4232614 6348921 10581535 12697842 14814149 21163070 29628298 31744605 44442447 63489210 74070745 88884894 148141490 222212235 444424470