Search a number
-
+
68241492 = 223211389443
BaseRepresentation
bin1000001000101…
…00100001010100
311202102000201200
410010110201110
5114432211432
610434352500
71456020534
oct404244124
9152360650
1068241492
113557a930
121aa2b730
13111a42a7
1490c54c4
155ecea7c
hex4114854

68241492 has 72 divisors (see below), whose sum is σ = 189090720. Its totient is φ = 20579520.

The previous prime is 68241479. The next prime is 68241499. The reversal of 68241492 is 29414286.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68241499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153823 + ... + 154265.

It is an arithmetic number, because the mean of its divisors is an integer number (2626260).

Almost surely, 268241492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68241492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94545360).

68241492 is an abundant number, since it is smaller than the sum of its proper divisors (120849228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68241492 is a wasteful number, since it uses less digits than its factorization.

68241492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 848 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 68241492 is about 8260.8408772957. The cubic root of 68241492 is about 408.6481192651.

The spelling of 68241492 in words is "sixty-eight million, two hundred forty-one thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 389 396 443 778 886 1167 1329 1556 1772 2334 2658 3501 3987 4279 4668 4873 5316 7002 7974 8558 9746 12837 14004 14619 15948 17116 19492 25674 29238 38511 43857 51348 58476 77022 87714 154044 172327 175428 344654 516981 689308 1033962 1550943 1895597 2067924 3101886 3791194 5686791 6203772 7582388 11373582 17060373 22747164 34120746 68241492