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80282213 = 1123317321
BaseRepresentation
bin1001100100100…
…00001001100101
312121001202111022
410302100021211
5131023012323
611544420525
71663246634
oct462201145
9177052438
1080282213
1141354240
1222a77745
131382b98b
14a93b51b
1570ac4c8
hex4c90265

80282213 has 8 divisors (see below), whose sum is σ = 91388736. Its totient is φ = 69810400.

The previous prime is 80282159. The next prime is 80282221. The reversal of 80282213 is 31228208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80282213 - 26 = 80282149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80282233) 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, 158408 + ... + 158913.

It is an arithmetic number, because the mean of its divisors is an integer number (11423592).

Almost surely, 280282213 is an apocalyptic number.

It is an amenable number.

80282213 is a deficient number, since it is larger than the sum of its proper divisors (11106523).

80282213 is a wasteful number, since it uses less digits than its factorization.

80282213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317355.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 80282213 is about 8960.0342075240. The cubic root of 80282213 is about 431.3930179433.

The spelling of 80282213 in words is "eighty million, two hundred eighty-two thousand, two hundred thirteen".

Divisors: 1 11 23 253 317321 3490531 7298383 80282213