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444265302 = 231383163421
BaseRepresentation
bin11010011110101…
…111001101010110
31010221222000102110
4122132233031112
51402212442202
6112030051450
714003123055
oct3236571526
91127860373
10444265302
1120885a108
12104949b86
137106c6a0
144300839c
152900926c
hex1a7af356

444265302 has 64 divisors (see below), whose sum is σ = 976663296. Its totient is φ = 133902720.

The previous prime is 444265273. The next prime is 444265303. The reversal of 444265302 is 203562444.

It is a super-2 number, since 2×4442653022 = 394743317122302408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 444265302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444265303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1055052 + ... + 1055472.

It is an arithmetic number, because the mean of its divisors is an integer number (15260364).

Almost surely, 2444265302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444265302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488331648).

444265302 is an abundant number, since it is smaller than the sum of its proper divisors (532397994).

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

444265302 is a wasteful number, since it uses less digits than its factorization.

444265302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 444265302 is about 21077.6019034424. The cubic root of 444265302 is about 763.0402811359.

The spelling of 444265302 in words is "four hundred forty-four million, two hundred sixty-five thousand, three hundred two".

Divisors: 1 2 3 6 13 26 39 78 83 163 166 249 326 421 489 498 842 978 1079 1263 2119 2158 2526 3237 4238 5473 6357 6474 10946 12714 13529 16419 27058 32838 34943 40587 68623 69886 81174 104829 137246 175877 205869 209658 351754 411738 454259 527631 892099 908518 1055262 1362777 1784198 2676297 2725554 5352594 5695709 11391418 17087127 34174254 74044217 148088434 222132651 444265302