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53130211 = 347153113
BaseRepresentation
bin1100101010101…
…1001111100011
310200222021221121
43022223033203
5102100131321
65134433111
71213412401
oct312531743
9120867847
1053130211
1127a99572
1215962797
13b0130c4
1470b0471
1549e7441
hex32ab3e3

53130211 has 4 divisors (see below), whose sum is σ = 53283672. Its totient is φ = 52976752.

The previous prime is 53130199. The next prime is 53130247. The reversal of 53130211 is 11203135.

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

It is a cyclic number.

It is not a de Polignac number, because 53130211 - 217 = 52999139 is a prime.

It is a super-4 number, since 4×531302114 (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53130281) 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, 76210 + ... + 76903.

It is an arithmetic number, because the mean of its divisors is an integer number (13320918).

Almost surely, 253130211 is an apocalyptic number.

53130211 is a deficient number, since it is larger than the sum of its proper divisors (153461).

53130211 is a wasteful number, since it uses less digits than its factorization.

53130211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153460.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 53130211 is about 7289.0473314419. The cubic root of 53130211 is about 375.9359400259.

Adding to 53130211 its reverse (11203135), we get a palindrome (64333346).

The spelling of 53130211 in words is "fifty-three million, one hundred thirty thousand, two hundred eleven".

Divisors: 1 347 153113 53130211