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444165043 = 7673732539
BaseRepresentation
bin11010011110010…
…110101110110011
31010221202220220011
4122132112232303
51402201240133
6112023555351
714002224550
oct3236265663
91127686804
10444165043
112087a0853
121048bbb57
1371035b6a
1442dbda27
1528ed96cd
hex1a796bb3

444165043 has 16 divisors (see below), whose sum is σ = 516778240. Its totient is φ = 373877856.

The previous prime is 444165019. The next prime is 444165049. The reversal of 444165043 is 340561444.

It is a cyclic number.

It is not a de Polignac number, because 444165043 - 225 = 410610611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444164996 and 444165014.

It is not an unprimeable number, because it can be changed into a prime (444165049) 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, 173668 + ... + 176206.

It is an arithmetic number, because the mean of its divisors is an integer number (32298640).

Almost surely, 2444165043 is an apocalyptic number.

444165043 is a deficient number, since it is larger than the sum of its proper divisors (72613197).

444165043 is a wasteful number, since it uses less digits than its factorization.

444165043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 444165043 is about 21075.2234389104. The cubic root of 444165043 is about 762.9828774399.

The spelling of 444165043 in words is "four hundred forty-four million, one hundred sixty-five thousand, forty-three".

Divisors: 1 7 67 373 469 2539 2611 17773 24991 170113 174937 947047 1190791 6629329 63452149 444165043