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53888693 = 197613727
BaseRepresentation
bin1100110110010…
…0011010110101
310202101211101112
43031210122311
5102243414233
65203004405
71223021615
oct315443265
9122354345
1053888693
1128467411
1216069705
13b21a401
14722aa45
154ae7048
hex33646b5

53888693 has 8 divisors (see below), whose sum is σ = 56814720. Its totient is φ = 50971680.

The previous prime is 53888629. The next prime is 53888707. The reversal of 53888693 is 39688835.

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

It is not a de Polignac number, because 53888693 - 26 = 53888629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53888893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12596 + ... + 16322.

It is an arithmetic number, because the mean of its divisors is an integer number (7101840).

Almost surely, 253888693 is an apocalyptic number.

It is an amenable number.

53888693 is a deficient number, since it is larger than the sum of its proper divisors (2926027).

53888693 is a wasteful number, since it uses less digits than its factorization.

53888693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507.

The product of its digits is 1244160, while the sum is 50.

The square root of 53888693 is about 7340.8918395519. The cubic root of 53888693 is about 377.7164362693.

The spelling of 53888693 in words is "fifty-three million, eight hundred eighty-eight thousand, six hundred ninety-three".

Divisors: 1 19 761 3727 14459 70813 2836247 53888693