Search a number
-
+
53772213 = 3112237307
BaseRepresentation
bin1100110100011…
…1111110110101
310202011220121110
43031013332311
5102231202323
65200305233
71222025205
oct315077665
9122156543
1053772213
1128397950
1216012219
13b1a93a1
1471da405
154ac2793
hex3347fb5

53772213 has 16 divisors (see below), whose sum is σ = 78575616. Its totient is φ = 32438640.

The previous prime is 53772203. The next prime is 53772217. The reversal of 53772213 is 31227735.

It is not a de Polignac number, because 53772213 - 210 = 53771189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53772217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3706 + ... + 11012.

It is an arithmetic number, because the mean of its divisors is an integer number (4910976).

Almost surely, 253772213 is an apocalyptic number.

It is an amenable number.

53772213 is a deficient number, since it is larger than the sum of its proper divisors (24803403).

53772213 is a wasteful number, since it uses less digits than its factorization.

53772213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7544.

The product of its digits is 8820, while the sum is 30.

The square root of 53772213 is about 7332.9539068509. The cubic root of 53772213 is about 377.4440962200. Note that the first 3 decimals are identical.

Adding to 53772213 its reverse (31227735), we get a palindrome (84999948).

It can be divided in two parts, 537722 and 13, that added together give a palindrome (537735).

The spelling of 53772213 in words is "fifty-three million, seven hundred seventy-two thousand, two hundred thirteen".

Divisors: 1 3 11 33 223 669 2453 7307 7359 21921 80377 241131 1629461 4888383 17924071 53772213