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80208212 = 2278334513
BaseRepresentation
bin1001100011111…
…10000101010100
312120220222222112
410301332011110
5131013130322
611543050152
71662521120
oct461760524
9176828875
1080208212
1141303687
1222a40958
13138040a6
14a91c580
1570955e2
hex4c7e154

80208212 has 24 divisors (see below), whose sum is σ = 162353856. Its totient is φ = 33959808.

The previous prime is 80208211. The next prime is 80208221. The reversal of 80208212 is 21280208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80208211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14933 + ... + 19580.

It is an arithmetic number, because the mean of its divisors is an integer number (6764744).

Almost surely, 280208212 is an apocalyptic number.

It is an amenable number.

80208212 is an abundant number, since it is smaller than the sum of its proper divisors (82145644).

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

80208212 is a wasteful number, since it uses less digits than its factorization.

80208212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34607 (or 34605 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 80208212 is about 8955.9037511577. The cubic root of 80208212 is about 431.2604301335.

The spelling of 80208212 in words is "eighty million, two hundred eight thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 83 166 332 581 1162 2324 34513 69026 138052 241591 483182 966364 2864579 5729158 11458316 20052053 40104106 80208212