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444888930 = 235103143977
BaseRepresentation
bin11010100001000…
…111011101100010
31011000010200212210
4122201013131202
51402342421210
6112051302550
714011331163
oct3241073542
91130120783
10444888930
11209145702
12104baaa56
137122a4b5
144312b76a
15290cde20
hex1a847762

444888930 has 32 divisors (see below), whose sum is σ = 1078107264. Its totient is φ = 117484416.

The previous prime is 444888893. The next prime is 444888947. The reversal of 444888930 is 39888444.

It is a self number, because there is not a number n which added to its sum of digits gives 444888930.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68899 + ... + 75078.

It is an arithmetic number, because the mean of its divisors is an integer number (33690852).

Almost surely, 2444888930 is an apocalyptic number.

444888930 is an abundant number, since it is smaller than the sum of its proper divisors (633218334).

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

444888930 is a wasteful number, since it uses less digits than its factorization.

444888930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144090.

The product of its (nonzero) digits is 884736, while the sum is 48.

The square root of 444888930 is about 21092.3903339569. The cubic root of 444888930 is about 763.3971480797.

The spelling of 444888930 in words is "four hundred forty-four million, eight hundred eighty-eight thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 103 206 309 515 618 1030 1545 3090 143977 287954 431931 719885 863862 1439770 2159655 4319310 14829631 29659262 44488893 74148155 88977786 148296310 222444465 444888930