Search a number
-
+
219531053 = 735388843
BaseRepresentation
bin11010001010111…
…00011100101101
3120022002022222202
431011130130231
5422144443203
633441151245
75303661140
oct1505343455
9508068882
10219531053
11102a12a25
126162b525
1336635141
1421228057
1514416388
hexd15c72d

219531053 has 8 divisors (see below), whose sum is σ = 251606208. Its totient is φ = 187634304.

The previous prime is 219531043. The next prime is 219531071. The reversal of 219531053 is 350135912.

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

It is a cyclic number.

It is not a de Polignac number, because 219531053 - 26 = 219530989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219531043) 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, 41951 + ... + 46892.

It is an arithmetic number, because the mean of its divisors is an integer number (31450776).

Almost surely, 2219531053 is an apocalyptic number.

It is an amenable number.

219531053 is a deficient number, since it is larger than the sum of its proper divisors (32075155).

219531053 is an equidigital number, since it uses as much as digits as its factorization.

219531053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89203.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 219531053 is about 14816.5803409559. The cubic root of 219531053 is about 603.2518375996.

Adding to 219531053 its reverse (350135912), we get a palindrome (569666965).

The spelling of 219531053 in words is "two hundred nineteen million, five hundred thirty-one thousand, fifty-three".

Divisors: 1 7 353 2471 88843 621901 31361579 219531053