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10800053 = 11981823
BaseRepresentation
bin101001001100…
…101110110101
3202022200212222
4221030232311
510231100203
61023252125
7160541015
oct51145665
922280788
1010800053
116107270
12374a045
132311a84
141611c45
15e35038
hexa4cbb5

10800053 has 4 divisors (see below), whose sum is σ = 11781888. Its totient is φ = 9818220.

The previous prime is 10800017. The next prime is 10800071. The reversal of 10800053 is 35000801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10800053 - 212 = 10795957 is a prime.

It is a super-2 number, since 2×108000532 = 233282289605618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10800073) 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 3 ways as a sum of consecutive naturals, for example, 490901 + ... + 490922.

It is an arithmetic number, because the mean of its divisors is an integer number (2945472).

Almost surely, 210800053 is an apocalyptic number.

It is an amenable number.

10800053 is a deficient number, since it is larger than the sum of its proper divisors (981835).

10800053 is an equidigital number, since it uses as much as digits as its factorization.

10800053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981834.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 10800053 is about 3286.3434087143. The cubic root of 10800053 is about 221.0422514987.

Adding to 10800053 its reverse (35000801), we get a palindrome (45800854).

The spelling of 10800053 in words is "ten million, eight hundred thousand, fifty-three".

Divisors: 1 11 981823 10800053