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53213105 = 511967511
BaseRepresentation
bin1100101011111…
…1011110110001
310201010111122202
43022333132301
5102110304410
65140312545
71214206151
oct312773661
9121114582
1053213105
1128045880
12159a2755
13b041a5a
1470d2761
154a11ca5
hex32bf7b1

53213105 has 8 divisors (see below), whose sum is σ = 69660864. Its totient is φ = 38700400.

The previous prime is 53213089. The next prime is 53213123. The reversal of 53213105 is 50131235.

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

It is not a de Polignac number, because 53213105 - 24 = 53213089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483701 + ... + 483810.

It is an arithmetic number, because the mean of its divisors is an integer number (8707608).

Almost surely, 253213105 is an apocalyptic number.

53213105 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53213105 is a deficient number, since it is larger than the sum of its proper divisors (16447759).

53213105 is a wasteful number, since it uses less digits than its factorization.

53213105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967527.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 53213105 is about 7294.7313178759. The cubic root of 53213105 is about 376.1313507628.

The spelling of 53213105 in words is "fifty-three million, two hundred thirteen thousand, one hundred five".

Divisors: 1 5 11 55 967511 4837555 10642621 53213105