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53000093 = 97154583
BaseRepresentation
bin1100101000101…
…1011110011101
310200201200110102
43022023132131
5102032000333
65131550445
71212331136
oct312133635
9120650412
1053000093
1127a0a833
12158bb425
13ac98b03
147078c8d
1549bdae8
hex328b79d

53000093 has 4 divisors (see below), whose sum is σ = 53055648. Its totient is φ = 52944540.

The previous prime is 53000089. The next prime is 53000099. The reversal of 53000093 is 39000035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53000093 - 22 = 53000089 is a prime.

It is a super-3 number, since 3×530000933 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53000099) 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, 26321 + ... + 28262.

It is an arithmetic number, because the mean of its divisors is an integer number (13263912).

Almost surely, 253000093 is an apocalyptic number.

It is an amenable number.

53000093 is a deficient number, since it is larger than the sum of its proper divisors (55555).

53000093 is an equidigital number, since it uses as much as digits as its factorization.

53000093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55554.

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 53000093 is about 7280.1162765439. The cubic root of 53000093 is about 375.6287951293.

The spelling of 53000093 in words is "fifty-three million, ninety-three", and thus it is an aban number and an uban number.

Divisors: 1 971 54583 53000093