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53110045 = 510622009
BaseRepresentation
bin1100101010011…
…0010100011101
310200221021021201
43022212110131
5102044010140
65134155501
71213266532
oct312462435
9120837251
1053110045
1127a853aa
1215952b91
13b006b81
1470a6d89
1549e149a
hex32a651d

53110045 has 4 divisors (see below), whose sum is σ = 63732060. Its totient is φ = 42488032.

The previous prime is 53110027. The next prime is 53110051. The reversal of 53110045 is 54001135.

53110045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39765636 + 13344409 = 6306^2 + 3653^2 .

It is a cyclic number.

It is not a de Polignac number, because 53110045 - 29 = 53109533 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 5311000 + ... + 5311009.

It is an arithmetic number, because the mean of its divisors is an integer number (15933015).

Almost surely, 253110045 is an apocalyptic number.

It is an amenable number.

53110045 is a deficient number, since it is larger than the sum of its proper divisors (10622015).

53110045 is a wasteful number, since it uses less digits than its factorization.

53110045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10622014.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 53110045 is about 7287.6638918106. The cubic root of 53110045 is about 375.8883708345. Note that the first 3 decimals are identical.

It can be divided in two parts, 53 and 110045, that multiplied together give a palindrome (5832385).

The spelling of 53110045 in words is "fifty-three million, one hundred ten thousand, forty-five".

Divisors: 1 5 10622009 53110045