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80969706 = 2342331701
BaseRepresentation
bin1001101001101…
…11111111101010
312122100200120000
410310313333222
5131212012311
612011243430
72002142166
oct464677752
9178320500
1080969706
1141783814
1223149576
1313a0c88c
14aa79ca6
157196056
hex4d37fea

80969706 has 80 divisors (see below), whose sum is σ = 195706368. Its totient is φ = 24948000.

The previous prime is 80969699. The next prime is 80969719. The reversal of 80969706 is 60796908.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 115156 + ... + 115856.

Almost surely, 280969706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80969706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97853184).

80969706 is an abundant number, since it is smaller than the sum of its proper divisors (114736662).

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

80969706 is a wasteful number, since it uses less digits than its factorization.

80969706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 80969706 is about 8998.3168426101. The cubic root of 80969706 is about 432.6209242324.

The spelling of 80969706 in words is "eighty million, nine hundred sixty-nine thousand, seven hundred six".

Divisors: 1 2 3 6 9 18 23 27 31 46 54 62 69 81 93 138 162 186 207 279 414 558 621 701 713 837 1242 1402 1426 1674 1863 2103 2139 2511 3726 4206 4278 5022 6309 6417 12618 12834 16123 18927 19251 21731 32246 37854 38502 43462 48369 56781 57753 65193 96738 113562 115506 130386 145107 195579 290214 391158 435321 499813 586737 870642 999626 1173474 1305963 1499439 1760211 2611926 2998878 3520422 4498317 8996634 13494951 26989902 40484853 80969706