Search a number
-
+
76096561 = 120163361
BaseRepresentation
bin1001000100100…
…10010000110001
312022012002212011
410202102100301
5123440042221
611315002521
71612544602
oct442222061
9168162764
1076096561
1139a55522
1221599441
13129c4768
14a16bda9
156a321e1
hex4892431

76096561 has 4 divisors (see below), whose sum is σ = 76161124. Its totient is φ = 76032000.

The previous prime is 76096547. The next prime is 76096583. The reversal of 76096561 is 16569067.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16569067 = 17974651.

It can be written as a sum of positive squares in 2 ways, for example, as 11390625 + 64705936 = 3375^2 + 8044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-76096561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76096591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30480 + ... + 32881.

It is an arithmetic number, because the mean of its divisors is an integer number (19040281).

Almost surely, 276096561 is an apocalyptic number.

It is an amenable number.

76096561 is a deficient number, since it is larger than the sum of its proper divisors (64563).

76096561 is a wasteful number, since it uses less digits than its factorization.

76096561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64562.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 76096561 is about 8723.3342822570. The cubic root of 76096561 is about 423.7616752061.

The spelling of 76096561 in words is "seventy-six million, ninety-six thousand, five hundred sixty-one".

Divisors: 1 1201 63361 76096561