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10642386 = 239471873
BaseRepresentation
bin101000100110…
…001111010010
3202000200121110
4220212033102
510211024021
61020034150
7156313236
oct50461722
922020543
1010642386
116009867
123692956
132288091
1415b05c6
15e03476
hexa263d2

10642386 has 16 divisors (see below), whose sum is σ = 21318624. Its totient is φ = 3541824.

The previous prime is 10642381. The next prime is 10642397. The reversal of 10642386 is 68324601.

It is a super-2 number, since 2×106423862 = 226520759545992, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10642381) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4746 + ... + 6618.

It is an arithmetic number, because the mean of its divisors is an integer number (1332414).

Almost surely, 210642386 is an apocalyptic number.

10642386 is an abundant number, since it is smaller than the sum of its proper divisors (10676238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10642386 is a wasteful number, since it uses less digits than its factorization.

10642386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 10642386 is about 3262.2670031743. The cubic root of 10642386 is about 219.9613292912.

Adding to 10642386 its reverse (68324601), we get a palindrome (78966987).

The spelling of 10642386 in words is "ten million, six hundred forty-two thousand, three hundred eighty-six".

Divisors: 1 2 3 6 947 1873 1894 2841 3746 5619 5682 11238 1773731 3547462 5321193 10642386