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80944446 = 231117193797
BaseRepresentation
bin1001101001100…
…01110100111110
312122022101220110
410310301310332
5131210210241
612010530450
72002005432
oct464616476
9178271813
1080944446
1141766840
1223136a26
1313a0122b
14aa709c2
15718d816
hex4d31d3e

80944446 has 64 divisors (see below), whose sum is σ = 196888320. Its totient is φ = 21864960.

The previous prime is 80944439. The next prime is 80944459. The reversal of 80944446 is 64444908.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19420 + ... + 23216.

It is an arithmetic number, because the mean of its divisors is an integer number (3076380).

Almost surely, 280944446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80944446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98444160).

80944446 is an abundant number, since it is smaller than the sum of its proper divisors (115943874).

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

80944446 is a wasteful number, since it uses less digits than its factorization.

80944446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 80944446 is about 8996.9131372933. The cubic root of 80944446 is about 432.5759315156.

The spelling of 80944446 in words is "eighty million, nine hundred forty-four thousand, four hundred forty-six".

Divisors: 1 2 3 6 11 17 19 22 33 34 38 51 57 66 102 114 187 209 323 374 418 561 627 646 969 1122 1254 1938 3553 3797 7106 7594 10659 11391 21318 22782 41767 64549 72143 83534 125301 129098 144286 193647 216429 250602 387294 432858 710039 793573 1226431 1420078 1587146 2130117 2380719 2452862 3679293 4260234 4761438 7358586 13490741 26981482 40472223 80944446