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10396642 = 25198321
BaseRepresentation
bin100111101010…
…001111100010
3201120012111211
4213222033202
510130143032
61010500334
7154240624
oct47521742
921505454
1010396642
115961173
1235946aa
132200279
141548c14
15da5747
hex9ea3e2

10396642 has 4 divisors (see below), whose sum is σ = 15594966. Its totient is φ = 5198320.

The previous prime is 10396627. The next prime is 10396651. The reversal of 10396642 is 24669301.

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

It can be written as a sum of positive squares in only one way, i.e., 8755681 + 1640961 = 2959^2 + 1281^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2599159 + ... + 2599162.

Almost surely, 210396642 is an apocalyptic number.

10396642 is a deficient number, since it is larger than the sum of its proper divisors (5198324).

10396642 is an equidigital number, since it uses as much as digits as its factorization.

10396642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5198323.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 10396642 is about 3224.3824214879. The cubic root of 10396642 is about 218.2550811518.

The spelling of 10396642 in words is "ten million, three hundred ninety-six thousand, six hundred forty-two".

Divisors: 1 2 5198321 10396642