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80444150 = 2521608883
BaseRepresentation
bin1001100101101…
…11101011110110
312121100222121222
410302313223312
5131043203100
611552110342
71664523023
oct462675366
9177328558
1080444150
1141454976
1222b353b2
13138875b7
14a98054a
1570e0485
hex4cb7af6

80444150 has 12 divisors (see below), whose sum is σ = 149626212. Its totient is φ = 32177640.

The previous prime is 80444149. The next prime is 80444191. The reversal of 80444150 is 5144408.

It is a super-2 number, since 2×804441502 = 12942522538445000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 804392 + ... + 804491.

It is an arithmetic number, because the mean of its divisors is an integer number (12468851).

Almost surely, 280444150 is an apocalyptic number.

80444150 is a deficient number, since it is larger than the sum of its proper divisors (69182062).

80444150 is a wasteful number, since it uses less digits than its factorization.

80444150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608895 (or 1608890 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 80444150 is about 8969.0662836217. The cubic root of 80444150 is about 431.6828769737.

Adding to 80444150 its reverse (5144408), we get a palindrome (85588558).

The spelling of 80444150 in words is "eighty million, four hundred forty-four thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 1608883 3217766 8044415 16088830 40222075 80444150