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10420067 = 71488581
BaseRepresentation
bin100111101111…
…111101100011
3201121101122102
4213233331203
510131420232
61011201015
7154366130
oct47577543
921541572
1010420067
115977829
1235a616b
13220ab28
141553587
15dac662
hex9eff63

10420067 has 4 divisors (see below), whose sum is σ = 11908656. Its totient is φ = 8931480.

The previous prime is 10420009. The next prime is 10420079. The reversal of 10420067 is 76002401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10420067 - 28 = 10419811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10420087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744284 + ... + 744297.

It is an arithmetic number, because the mean of its divisors is an integer number (2977164).

Almost surely, 210420067 is an apocalyptic number.

10420067 is a deficient number, since it is larger than the sum of its proper divisors (1488589).

10420067 is an equidigital number, since it uses as much as digits as its factorization.

10420067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488588.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 10420067 is about 3228.0128562321. The cubic root of 10420067 is about 218.4188773170.

Adding to 10420067 its reverse (76002401), we get a palindrome (86422468).

The spelling of 10420067 in words is "ten million, four hundred twenty thousand, sixty-seven".

Divisors: 1 7 1488581 10420067