Search a number
-
+
96720641 = 268935969
BaseRepresentation
bin1011100001111…
…01011100000001
320201222220202222
411300331130001
5144230030031
613333020425
72253053243
oct560753401
9221886688
1096720641
114a661716
1228484715
1317065c64
14cbba093
158757e7b
hex5c3d701

96720641 has 4 divisors (see below), whose sum is σ = 96759300. Its totient is φ = 96681984.

The previous prime is 96720629. The next prime is 96720643. The reversal of 96720641 is 14602769.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14602769 = 23634903.

It can be written as a sum of positive squares in 2 ways, for example, as 44823025 + 51897616 = 6695^2 + 7204^2 .

It is a cyclic number.

It is not a de Polignac number, because 96720641 - 210 = 96719617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (96720643) by changing a digit.

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, 15296 + ... + 20673.

It is an arithmetic number, because the mean of its divisors is an integer number (24189825).

Almost surely, 296720641 is an apocalyptic number.

It is an amenable number.

96720641 is a deficient number, since it is larger than the sum of its proper divisors (38659).

96720641 is a wasteful number, since it uses less digits than its factorization.

96720641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38658.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 96720641 is about 9834.6652713755. The cubic root of 96720641 is about 459.0285753906.

The spelling of 96720641 in words is "ninety-six million, seven hundred twenty thousand, six hundred forty-one".

Divisors: 1 2689 35969 96720641