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80383888 = 241317127179
BaseRepresentation
bin1001100101010…
…00111110010000
312121020220222001
410302220332100
5131034241023
611550523344
71664152234
oct462507620
9177226861
1080383888
1141413672
1222b06554
1313866040
14a9665c4
1570cc6ad
hex4ca8f90

80383888 has 80 divisors (see below), whose sum is σ = 179988480. Its totient is φ = 34449408.

The previous prime is 80383883. The next prime is 80383913. The reversal of 80383888 is 88838308.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80383883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448983 + ... + 449161.

It is an arithmetic number, because the mean of its divisors is an integer number (2249856).

Almost surely, 280383888 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 80383888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89994240).

80383888 is an abundant number, since it is smaller than the sum of its proper divisors (99604592).

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

80383888 is a wasteful number, since it uses less digits than its factorization.

80383888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 80383888 is about 8965.7062186980. The cubic root of 80383888 is about 431.5750565290.

The spelling of 80383888 in words is "eighty million, three hundred eighty-three thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 13 16 17 26 34 52 68 104 127 136 179 208 221 254 272 358 442 508 716 884 1016 1432 1651 1768 2032 2159 2327 2864 3043 3302 3536 4318 4654 6086 6604 8636 9308 12172 13208 17272 18616 22733 24344 26416 28067 34544 37232 39559 45466 48688 56134 79118 90932 112268 158236 181864 224536 295529 316472 363728 386461 449072 591058 632944 772922 1182116 1545844 2364232 3091688 4728464 5023993 6183376 10047986 20095972 40191944 80383888