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80712702 = 2327317769
BaseRepresentation
bin1001100111110…
…01001111111110
312121212122000100
410303321033332
5131130301302
612001541530
72000022000
oct463711776
9177778010
1080712702
1141618714
12230448a6
131394c8c5
14aa10370
157144d1c
hex4cf93fe

80712702 has 96 divisors (see below), whose sum is σ = 216216000. Its totient is φ = 21676032.

The previous prime is 80712701. The next prime is 80712733. The reversal of 80712702 is 20721708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80712701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104574 + ... + 105342.

It is an arithmetic number, because the mean of its divisors is an integer number (2252250).

Almost surely, 280712702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80712702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108108000).

80712702 is an abundant number, since it is smaller than the sum of its proper divisors (135503298).

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

80712702 is a wasteful number, since it uses less digits than its factorization.

80712702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 80712702 is about 8984.0248218713. The cubic root of 80712702 is about 432.1627151965.

The spelling of 80712702 in words is "eighty million, seven hundred twelve thousand, seven hundred two".

Divisors: 1 2 3 6 7 9 14 17 18 21 34 42 49 51 63 98 102 119 126 147 153 238 294 306 343 357 441 686 714 769 833 882 1029 1071 1538 1666 2058 2142 2307 2499 3087 4614 4998 5383 5831 6174 6921 7497 10766 11662 13073 13842 14994 16149 17493 26146 32298 34986 37681 39219 48447 52479 75362 78438 91511 96894 104958 113043 117657 183022 226086 235314 263767 274533 339129 527534 549066 640577 678258 791301 823599 1281154 1582602 1647198 1921731 2373903 3843462 4484039 4747806 5765193 8968078 11530386 13452117 26904234 40356351 80712702