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80495208 = 233547881
BaseRepresentation
bin1001100110001…
…00001001101000
312121110120200000
410303010021220
5131101321313
611553143000
71665124623
oct463041150
9177416600
1080495208
114148a272
1222b5aa60
13138a4901
14a994dba
157100673
hex4cc4268

80495208 has 96 divisors (see below), whose sum is σ = 231154560. Its totient is φ = 26231040.

The previous prime is 80495203. The next prime is 80495237. The reversal of 80495208 is 80259408.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (80495201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90928 + ... + 91808.

It is an arithmetic number, because the mean of its divisors is an integer number (2407860).

Almost surely, 280495208 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 80495208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115577280).

80495208 is an abundant number, since it is smaller than the sum of its proper divisors (150659352).

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

80495208 is a wasteful number, since it uses less digits than its factorization.

80495208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 80495208 is about 8971.9121707694. The cubic root of 80495208 is about 431.7741875408.

The spelling of 80495208 in words is "eighty million, four hundred ninety-five thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 47 54 72 81 94 108 141 162 188 216 243 282 324 376 423 486 564 648 846 881 972 1128 1269 1692 1762 1944 2538 2643 3384 3524 3807 5076 5286 7048 7614 7929 10152 10572 11421 15228 15858 21144 22842 23787 30456 31716 41407 45684 47574 63432 71361 82814 91368 95148 124221 142722 165628 190296 214083 248442 285444 331256 372663 428166 496884 570888 745326 856332 993768 1117989 1490652 1712664 2235978 2981304 3353967 4471956 6707934 8943912 10061901 13415868 20123802 26831736 40247604 80495208