Search a number
-
+
76487968 = 252390249
BaseRepresentation
bin1001000111100…
…01110100100000
312022220222202201
410203301310200
5124040103333
611331222544
71616064664
oct443616440
9168828681
1076487968
113a1a25a7
1221747a54
1312b0096b
14a2308a4
156aad17d
hex48f1d20

76487968 has 12 divisors (see below), whose sum is σ = 150585750. Its totient is φ = 38243968.

The previous prime is 76487963. The next prime is 76487989. The reversal of 76487968 is 86978467.

It can be written as a sum of positive squares in only one way, i.e., 61027344 + 15460624 = 7812^2 + 3932^2 .

It is not an unprimeable number, because it can be changed into a prime (76487963) 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 as a sum of consecutive naturals, namely, 1195093 + ... + 1195156.

Almost surely, 276487968 is an apocalyptic number.

It is an amenable number.

76487968 is a deficient number, since it is larger than the sum of its proper divisors (74097782).

76487968 is a wasteful number, since it uses less digits than its factorization.

76487968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390259 (or 2390251 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The square root of 76487968 is about 8745.7399915616. The cubic root of 76487968 is about 424.4869805196.

The spelling of 76487968 in words is "seventy-six million, four hundred eighty-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 32 2390249 4780498 9560996 19121992 38243984 76487968