Search a number
-
+
68553873 = 3225130347
BaseRepresentation
bin1000001011000…
…00110010010001
311202222220020100
410011200302101
5120022210443
610445203013
71461461343
oct405406221
9152886210
1068553873
11357735a3
121ab60469
131128352b
149167293
1560423d3
hex4160c91

68553873 has 12 divisors (see below), whose sum is σ = 99420048. Its totient is φ = 45519000.

The previous prime is 68553839. The next prime is 68553913. The reversal of 68553873 is 37835586.

It is not a de Polignac number, because 68553873 - 217 = 68422801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68558873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12915 + ... + 17432.

It is an arithmetic number, because the mean of its divisors is an integer number (8285004).

Almost surely, 268553873 is an apocalyptic number.

It is an amenable number.

68553873 is a deficient number, since it is larger than the sum of its proper divisors (30866175).

68553873 is a wasteful number, since it uses less digits than its factorization.

68553873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30604 (or 30601 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 68553873 is about 8279.7266259219. The cubic root of 68553873 is about 409.2707102831.

The spelling of 68553873 in words is "sixty-eight million, five hundred fifty-three thousand, eight hundred seventy-three".

Divisors: 1 3 9 251 753 2259 30347 91041 273123 7617097 22851291 68553873