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53405093 = 77629299
BaseRepresentation
bin1100101110111…
…0010110100101
310201111021000102
43023232112211
5102132430333
65144353445
71215635660
oct313562645
9121437012
1053405093
1128167045
1215a75885
13b0ab261
1471426d7
154a4dae8
hex32ee5a5

53405093 has 4 divisors (see below), whose sum is σ = 61034400. Its totient is φ = 45775788.

The previous prime is 53405081. The next prime is 53405101. The reversal of 53405093 is 39050435.

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 53405093 - 210 = 53404069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53405003) 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, 3814643 + ... + 3814656.

It is an arithmetic number, because the mean of its divisors is an integer number (15258600).

Almost surely, 253405093 is an apocalyptic number.

It is an amenable number.

53405093 is a deficient number, since it is larger than the sum of its proper divisors (7629307).

53405093 is an equidigital number, since it uses as much as digits as its factorization.

53405093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7629306.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 53405093 is about 7307.8788304131. The cubic root of 53405093 is about 376.5831569724.

The spelling of 53405093 in words is "fifty-three million, four hundred five thousand, ninety-three".

Divisors: 1 7 7629299 53405093