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103045055 = 520609011
BaseRepresentation
bin1100010010001…
…01011110111111
321011220020020112
412021011132333
5202334420210
614120340235
72360603621
oct611053677
9234806215
10103045055
1153191303
122a61467b
131846b809
14d984c11
1590a6d05
hex62457bf

103045055 has 4 divisors (see below), whose sum is σ = 123654072. Its totient is φ = 82436040.

The previous prime is 103044989. The next prime is 103045057. The reversal of 103045055 is 550540301.

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

It is not a de Polignac number, because 103045055 - 216 = 102979519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103045055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103045057) 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, 10304501 + ... + 10304510.

It is an arithmetic number, because the mean of its divisors is an integer number (30913518).

Almost surely, 2103045055 is an apocalyptic number.

103045055 is a deficient number, since it is larger than the sum of its proper divisors (20609017).

103045055 is an equidigital number, since it uses as much as digits as its factorization.

103045055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20609016.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 103045055 is about 10151.1110229373. Note that the first 3 decimals coincide. The cubic root of 103045055 is about 468.8231535015.

Adding to 103045055 its reverse (550540301), we get a palindrome (653585356).

The spelling of 103045055 in words is "one hundred three million, forty-five thousand, fifty-five".

Divisors: 1 5 20609011 103045055