Search a number
-
+
49530253 = 57186743
BaseRepresentation
bin1011110011110…
…0010110001101
310110012101201211
42330330112031
5100134432003
64525334421
71141000033
oct274742615
9113171654
1049530253
1125a5a8a3
1214707411
13a352656
146814553
15453596d
hex2f3c58d

49530253 has 4 divisors (see below), whose sum is σ = 49617568. Its totient is φ = 49442940.

The previous prime is 49530233. The next prime is 49530259. The reversal of 49530253 is 35203594.

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 49530253 - 225 = 15975821 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 (49530259) 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, 42801 + ... + 43942.

It is an arithmetic number, because the mean of its divisors is an integer number (12404392).

Almost surely, 249530253 is an apocalyptic number.

It is an amenable number.

49530253 is a deficient number, since it is larger than the sum of its proper divisors (87315).

49530253 is an equidigital number, since it uses as much as digits as its factorization.

49530253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87314.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 49530253 is about 7037.7732984233. The cubic root of 49530253 is about 367.2458093837.

The spelling of 49530253 in words is "forty-nine million, five hundred thirty thousand, two hundred fifty-three".

Divisors: 1 571 86743 49530253