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80896544 = 2529179487
BaseRepresentation
bin1001101001001…
…10001000100000
312122012222012022
410310212020200
5131202142134
612005521012
72001415661
oct464461040
9178188168
1080896544
1141733853
1223113168
13139b54a1
14aa5b368
15717e52e
hex4d26220

80896544 has 48 divisors (see below), whose sum is σ = 166017600. Its totient is φ = 38755584.

The previous prime is 80896511. The next prime is 80896549. The reversal of 80896544 is 44569808.

It is a happy number.

It is a super-2 number, since 2×808965442 = 13088501662287872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80896495 and 80896504.

It is not an unprimeable number, because it can be changed into a prime (80896549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165869 + ... + 166355.

It is an arithmetic number, because the mean of its divisors is an integer number (3458700).

Almost surely, 280896544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80896544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83008800).

80896544 is an abundant number, since it is smaller than the sum of its proper divisors (85121056).

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

80896544 is a wasteful number, since it uses less digits than its factorization.

80896544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 80896544 is about 8994.2506080273. The cubic root of 80896544 is about 432.4905835098.

The spelling of 80896544 in words is "eighty million, eight hundred ninety-six thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 29 32 58 116 179 232 358 464 487 716 928 974 1432 1948 2864 3896 5191 5728 7792 10382 14123 15584 20764 28246 41528 56492 83056 87173 112984 166112 174346 225968 348692 451936 697384 1394768 2528017 2789536 5056034 10112068 20224136 40448272 80896544