Search a number
-
+
53748071 = 134134467
BaseRepresentation
bin1100110100001…
…0000101100111
310202010200111022
43031002011213
5102224414241
65200001355
71221564626
oct315020547
9122120438
1053748071
11283807a3
121600025b
13b19b3c0
1471d16bd
154aba54b
hex3342167

53748071 has 4 divisors (see below), whose sum is σ = 57882552. Its totient is φ = 49613592.

The previous prime is 53748043. The next prime is 53748073. The reversal of 53748071 is 17084735.

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 53748071 - 214 = 53731687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53748073) 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, 2067221 + ... + 2067246.

It is an arithmetic number, because the mean of its divisors is an integer number (14470638).

Almost surely, 253748071 is an apocalyptic number.

53748071 is a deficient number, since it is larger than the sum of its proper divisors (4134481).

53748071 is a wasteful number, since it uses less digits than its factorization.

53748071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134480.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 53748071 is about 7331.3075914191. The cubic root of 53748071 is about 377.3876009975.

The spelling of 53748071 in words is "fifty-three million, seven hundred forty-eight thousand, seventy-one".

Divisors: 1 13 4134467 53748071