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10420286 = 217306479
BaseRepresentation
bin100111110000…
…000000111110
3201121101221112
4213300000332
510131422121
61011202022
7154366562
oct47600076
921541845
1010420286
115977a08
1235a6312
13220ac66
1415536a2
15dac75b
hex9f003e

10420286 has 8 divisors (see below), whose sum is σ = 16549920. Its totient is φ = 4903648.

The previous prime is 10420279. The next prime is 10420307. The reversal of 10420286 is 68202401.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153206 + ... + 153273.

It is an arithmetic number, because the mean of its divisors is an integer number (2068740).

Almost surely, 210420286 is an apocalyptic number.

10420286 is a deficient number, since it is larger than the sum of its proper divisors (6129634).

10420286 is a wasteful number, since it uses less digits than its factorization.

10420286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306498.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 10420286 is about 3228.0467778519. The cubic root of 10420286 is about 218.4204074863.

Adding to 10420286 its reverse (68202401), we get a palindrome (78622687).

The spelling of 10420286 in words is "ten million, four hundred twenty thousand, two hundred eighty-six".

Divisors: 1 2 17 34 306479 612958 5210143 10420286