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80910214 = 2711525391
BaseRepresentation
bin1001101001010…
…01011110000110
312122020122221121
410310221132012
5131203111324
612010104154
72001503560
oct464513606
9178218847
1080910214
1141743050
122311b05a
13139bb788
14aa62330
1571835e4
hex4d29786

80910214 has 16 divisors (see below), whose sum is σ = 151312896. Its totient is φ = 31523400.

The previous prime is 80910211. The next prime is 80910223. The reversal of 80910214 is 41201908.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80910211) 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, 262542 + ... + 262849.

It is an arithmetic number, because the mean of its divisors is an integer number (9457056).

Almost surely, 280910214 is an apocalyptic number.

80910214 is a deficient number, since it is larger than the sum of its proper divisors (70402682).

80910214 is a wasteful number, since it uses less digits than its factorization.

80910214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525411.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 80910214 is about 8995.0105058304. The cubic root of 80910214 is about 432.5149430724.

The spelling of 80910214 in words is "eighty million, nine hundred ten thousand, two hundred fourteen".

Divisors: 1 2 7 11 14 22 77 154 525391 1050782 3677737 5779301 7355474 11558602 40455107 80910214