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1050055 = 5210011
BaseRepresentation
bin100000000010111000111
31222100101221
410000113013
5232100210
634301211
711632246
oct4002707
91870357
101050055
11657a16
12427807
132a9c46
141d495d
1515b1da
hex1005c7

1050055 has 4 divisors (see below), whose sum is σ = 1260072. Its totient is φ = 840040.

The previous prime is 1050053. The next prime is 1050079. The reversal of 1050055 is 5500501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5500501 = 11348677.

It is not a de Polignac number, because 1050055 - 21 = 1050053 is a prime.

It is a super-2 number, since 2×10500552 = 2205231006050, 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 (1050053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105001 + ... + 105010.

It is an arithmetic number, because the mean of its divisors is an integer number (315018).

21050055 is an apocalyptic number.

1050055 is a deficient number, since it is larger than the sum of its proper divisors (210017).

1050055 is an equidigital number, since it uses as much as digits as its factorization.

1050055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210016.

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 1050055 is about 1024.7219134965. The cubic root of 1050055 is about 101.6414103108.

Adding to 1050055 its reverse (5500501), we get a palindrome (6550556).

The spelling of 1050055 in words is "one million, fifty thousand, fifty-five".

Divisors: 1 5 210011 1050055