Search a number
-
+
54023613 = 3761181233
BaseRepresentation
bin1100111000010…
…1010110111101
310202122200110120
43032011112331
5102312223423
65205525153
71224123150
oct316052675
9122580416
1054023613
1128549816
12161137b9
13b266947
147263c97
154b21ee3
hex33855bd

54023613 has 32 divisors (see below), whose sum is σ = 84494592. Its totient is φ = 30067200.

The previous prime is 54023611. The next prime is 54023617. The reversal of 54023613 is 31632045.

It is a happy number.

It is not a de Polignac number, because 54023613 - 21 = 54023611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54023611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231745 + ... + 231977.

It is an arithmetic number, because the mean of its divisors is an integer number (2640456).

Almost surely, 254023613 is an apocalyptic number.

It is an amenable number.

54023613 is a deficient number, since it is larger than the sum of its proper divisors (30470979).

54023613 is a wasteful number, since it uses less digits than its factorization.

54023613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 54023613 is about 7350.0757138957. The cubic root of 54023613 is about 378.0314004877.

Adding to 54023613 its reverse (31632045), we get a palindrome (85655658).

The spelling of 54023613 in words is "fifty-four million, twenty-three thousand, six hundred thirteen".

Divisors: 1 3 7 21 61 181 183 233 427 543 699 1267 1281 1631 3801 4893 11041 14213 33123 42173 42639 77287 99491 126519 231861 295211 298473 885633 2572553 7717659 18007871 54023613