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444982769 = 72111748563
BaseRepresentation
bin11010100001011…
…110010111110001
31011000022110121022
4122201132113301
51402403422034
6112053305225
714012201600
oct3241362761
91130273538
10444982769
112091aa160
12105035215
137126111a
1443153a37
15290ebb2e
hex1a85e5f1

444982769 has 24 divisors (see below), whose sum is σ = 597919968. Its totient is φ = 326336640.

The previous prime is 444982721. The next prime is 444982787. The reversal of 444982769 is 967289444.

It is not a de Polignac number, because 444982769 - 28 = 444982513 is a prime.

It is a super-2 number, since 2×4449827692 = 396019329413814722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444982769.

It is not an unprimeable number, because it can be changed into a prime (444982789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15119 + ... + 33444.

It is an arithmetic number, because the mean of its divisors is an integer number (24913332).

Almost surely, 2444982769 is an apocalyptic number.

444982769 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

444982769 is a deficient number, since it is larger than the sum of its proper divisors (152937199).

444982769 is a wasteful number, since it uses less digits than its factorization.

444982769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48605 (or 48598 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 53.

The square root of 444982769 is about 21094.6146919066. The cubic root of 444982769 is about 763.4508179465.

The spelling of 444982769 in words is "four hundred forty-four million, nine hundred eighty-two thousand, seven hundred sixty-nine".

Divisors: 1 7 11 17 49 77 119 187 539 833 1309 9163 48563 339941 534193 825571 2379587 3739351 5778997 9081281 26175457 40452979 63568967 444982769