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10001055 = 35666737
BaseRepresentation
bin100110001001…
…101010011111
3200211002212110
4212021222133
510030013210
6554205103
7151002411
oct46115237
920732773
1010001055
115710a39
123423793
1320c21ac
1414849b1
15d28420
hex989a9f

10001055 has 8 divisors (see below), whose sum is σ = 16001712. Its totient is φ = 5333888.

The previous prime is 10001053. The next prime is 10001081. The reversal of 10001055 is 55010001.

10001055 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10001055 - 21 = 10001053 is a prime.

It is a super-2 number, since 2×100010552 = 200042202226050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10001055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001053) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 333354 + ... + 333383.

It is an arithmetic number, because the mean of its divisors is an integer number (2000214).

Almost surely, 210001055 is an apocalyptic number.

10001055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10001055 is a deficient number, since it is larger than the sum of its proper divisors (6000657).

10001055 is an equidigital number, since it uses as much as digits as its factorization.

10001055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666745.

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 10001055 is about 3162.4444659156. Note that the first 4 decimals coincide. The cubic root of 10001055 is about 215.4510451654.

Adding to 10001055 its reverse (55010001), we get a palindrome (65011056).

The spelling of 10001055 in words is "ten million, one thousand, fifty-five".

Divisors: 1 3 5 15 666737 2000211 3333685 10001055