Search a number
-
+
65245442 = 2251129971
BaseRepresentation
bin1111100011100…
…1000100000010
311112202210220212
43320321010002
5113200323232
610250234122
71421401643
oct370710402
9145683825
1065245442
1133913959
1219a25942
1310695692
1489456ca
155adbeb2
hex3e39102

65245442 has 8 divisors (see below), whose sum is σ = 98258832. Its totient is φ = 32492500.

The previous prime is 65245441. The next prime is 65245451. The reversal of 65245442 is 24454256.

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 = 65245399 and 65245408.

It is not an unprimeable number, because it can be changed into a prime (65245441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64484 + ... + 65487.

It is an arithmetic number, because the mean of its divisors is an integer number (12282354).

Almost surely, 265245442 is an apocalyptic number.

65245442 is a deficient number, since it is larger than the sum of its proper divisors (33013390).

65245442 is a wasteful number, since it uses less digits than its factorization.

65245442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130224.

The product of its digits is 38400, while the sum is 32.

The square root of 65245442 is about 8077.4650726574. The cubic root of 65245442 is about 402.5780196739.

Adding to 65245442 its reverse (24454256), we get a palindrome (89699698).

The spelling of 65245442 in words is "sixty-five million, two hundred forty-five thousand, four hundred forty-two".

Divisors: 1 2 251 502 129971 259942 32622721 65245442