Search a number
-
+
53342737 = 77620391
BaseRepresentation
bin1100101101111…
…1001000010001
310201101002110221
43023133020101
5102123431422
65143153041
71215256120
oct313371021
9121332427
1053342737
1128124208
1215a45781
13b088a66
147127ab7
154a3a3c7
hex32df211

53342737 has 4 divisors (see below), whose sum is σ = 60963136. Its totient is φ = 45722340.

The previous prime is 53342717. The next prime is 53342741. The reversal of 53342737 is 73724335.

53342737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53342737 - 215 = 53309969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53342717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3810189 + ... + 3810202.

It is an arithmetic number, because the mean of its divisors is an integer number (15240784).

Almost surely, 253342737 is an apocalyptic number.

It is an amenable number.

53342737 is a deficient number, since it is larger than the sum of its proper divisors (7620399).

53342737 is an equidigital number, since it uses as much as digits as its factorization.

53342737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620398.

The product of its digits is 52920, while the sum is 34.

The square root of 53342737 is about 7303.6112300697. The cubic root of 53342737 is about 376.4365332251.

The spelling of 53342737 in words is "fifty-three million, three hundred forty-two thousand, seven hundred thirty-seven".

Divisors: 1 7 7620391 53342737