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80308196 = 221131271399
BaseRepresentation
bin1001100100101…
…10011111100100
312121010002010122
410302112133210
5131024330241
611545141112
71663415453
oct462263744
9177102118
1080308196
1141371811
1222a8a798
131383a757
14a946b9a
1570b504b
hex4c967e4

80308196 has 24 divisors (see below), whose sum is σ = 143001600. Its totient is φ = 39457152.

The previous prime is 80308183. The next prime is 80308199. The reversal of 80308196 is 69180308.

It is not an unprimeable number, because it can be changed into a prime (80308199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56705 + ... + 58103.

It is an arithmetic number, because the mean of its divisors is an integer number (5958400).

Almost surely, 280308196 is an apocalyptic number.

It is an amenable number.

80308196 is a deficient number, since it is larger than the sum of its proper divisors (62693404).

80308196 is a wasteful number, since it uses less digits than its factorization.

80308196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643 (or 1641 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 80308196 is about 8961.4840288872. The cubic root of 80308196 is about 431.4395524344.

The spelling of 80308196 in words is "eighty million, three hundred eight thousand, one hundred ninety-six".

Divisors: 1 2 4 113 127 226 254 452 508 1399 2798 5596 14351 28702 57404 158087 177673 316174 355346 632348 710692 20077049 40154098 80308196