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80355008 = 262379691
BaseRepresentation
bin1001100101000…
…01111011000000
312121012110100102
410302201323000
5131032330013
611550141532
71664002106
oct462417300
9177173312
1080355008
11413a39a8
1222ab18a8
1313855b56
14a959c76
1570c3d58
hex4ca1ec0

80355008 has 56 divisors (see below), whose sum is σ = 168737280. Its totient is φ = 37889280.

The previous prime is 80355001. The next prime is 80355019. The reversal of 80355008 is 80055308.

It is not an unprimeable number, because it can be changed into a prime (80355001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115943 + ... + 116633.

Almost surely, 280355008 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 80355008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84368640).

80355008 is an abundant number, since it is smaller than the sum of its proper divisors (88382272).

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

80355008 is a wasteful number, since it uses less digits than its factorization.

80355008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 80355008 is about 8964.0954925748. The cubic root of 80355008 is about 431.5233654878.

The spelling of 80355008 in words is "eighty million, three hundred fifty-five thousand, eight".

Divisors: 1 2 4 8 16 23 32 46 64 79 92 158 184 316 368 632 691 736 1264 1382 1472 1817 2528 2764 3634 5056 5528 7268 11056 14536 15893 22112 29072 31786 44224 54589 58144 63572 109178 116288 127144 218356 254288 436712 508576 873424 1017152 1255547 1746848 2511094 3493696 5022188 10044376 20088752 40177504 80355008