Search a number
-
+
53052742 = 2239110989
BaseRepresentation
bin1100101001100…
…0010101000110
310200211100200101
43022120111012
5102040141432
65133034314
71212640501
oct312302506
9120740611
1053052742
1127a46346
121592599a
13acb6a72
147090138
1549ce4e7
hex3298546

53052742 has 8 divisors (see below), whose sum is σ = 79912800. Its totient is φ = 26415144.

The previous prime is 53052739. The next prime is 53052757. The reversal of 53052742 is 24725035.

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

It is a self number, because there is not a number n which added to its sum of digits gives 53052742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55017 + ... + 55972.

It is an arithmetic number, because the mean of its divisors is an integer number (9989100).

Almost surely, 253052742 is an apocalyptic number.

53052742 is a deficient number, since it is larger than the sum of its proper divisors (26860058).

53052742 is a wasteful number, since it uses less digits than its factorization.

53052742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111230.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 53052742 is about 7283.7313239850. The cubic root of 53052742 is about 375.7531341284.

Adding to 53052742 its reverse (24725035), we get a palindrome (77777777).

The spelling of 53052742 in words is "fifty-three million, fifty-two thousand, seven hundred forty-two".

Divisors: 1 2 239 478 110989 221978 26526371 53052742