Search a number
-
+
68795542 = 2191810409
BaseRepresentation
bin1000001100110…
…11110010010110
311210110011202001
410012123302112
5120102424132
610454305514
71463516044
oct406336226
9153404661
1068795542
1135919122
121b05829a
131133952a
1491cb394
15608dce7
hex419bc96

68795542 has 8 divisors (see below), whose sum is σ = 108624600. Its totient is φ = 32587344.

The previous prime is 68795539. The next prime is 68795591. The reversal of 68795542 is 24559786.

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

It is a junction number, because it is equal to n+sod(n) for n = 68795492 and 68795501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905167 + ... + 905242.

It is an arithmetic number, because the mean of its divisors is an integer number (13578075).

Almost surely, 268795542 is an apocalyptic number.

68795542 is a deficient number, since it is larger than the sum of its proper divisors (39829058).

68795542 is a wasteful number, since it uses less digits than its factorization.

68795542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810430.

The product of its digits is 604800, while the sum is 46.

The square root of 68795542 is about 8294.3078071651. The cubic root of 68795542 is about 409.7510723746.

It can be divided in two parts, 6879 and 5542, that added together give a palindrome (12421).

The spelling of 68795542 in words is "sixty-eight million, seven hundred ninety-five thousand, five hundred forty-two".

Divisors: 1 2 19 38 1810409 3620818 34397771 68795542