Search a number
-
+
444352080 = 24357189293
BaseRepresentation
bin11010011111000…
…100011001010000
31010222010102110110
4122133010121100
51402223231310
6112032001320
714003634054
oct3237043120
91128112413
10444352080
11208909327
12104990240
13710a0033
144302bc64
1529024d20
hex1a7c4650

444352080 has 160 divisors (see below), whose sum is σ = 1417409280. Its totient is φ = 115118080.

The previous prime is 444352063. The next prime is 444352091. The reversal of 444352080 is 80253444.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1516414 + ... + 1516706.

It is an arithmetic number, because the mean of its divisors is an integer number (8858808).

Almost surely, 2444352080 is an apocalyptic number.

444352080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444352080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708704640).

444352080 is an abundant number, since it is smaller than the sum of its proper divisors (973057200).

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

444352080 is a wasteful number, since it uses less digits than its factorization.

444352080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 444352080 is about 21079.6603388195. The cubic root of 444352080 is about 763.0899592588.

The spelling of 444352080 in words is "four hundred forty-four million, three hundred fifty-two thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 71 80 89 120 142 178 213 240 267 284 293 355 356 426 445 534 568 586 710 712 852 879 890 1065 1068 1136 1172 1335 1420 1424 1465 1704 1758 1780 2130 2136 2344 2670 2840 2930 3408 3516 3560 4260 4272 4395 4688 5340 5680 5860 6319 7032 7120 8520 8790 10680 11720 12638 14064 17040 17580 18957 20803 21360 23440 25276 26077 31595 35160 37914 41606 50552 52154 62409 63190 70320 75828 78231 83212 94785 101104 104015 104308 124818 126380 130385 151656 156462 166424 189570 208030 208616 249636 252760 260770 303312 312045 312924 332848 379140 391155 416060 417232 499272 505520 521540 624090 625848 758280 782310 832120 998544 1043080 1248180 1251696 1516560 1564620 1664240 1851467 2086160 2496360 3129240 3702934 4992720 5554401 6258480 7405868 9257335 11108802 14811736 18514670 22217604 27772005 29623472 37029340 44435208 55544010 74058680 88870416 111088020 148117360 222176040 444352080