Search a number
-
+
76193421 = 3125920173
BaseRepresentation
bin1001000101010…
…01111010001101
312022101000201120
410202221322031
5124001142141
611321031153
71613430153
oct442517215
9168330646
1076193421
113a011277
12216254b9
1312a29885
14a1953d3
156a50c66
hex48a9e8d

76193421 has 8 divisors (see below), whose sum is σ = 101676960. Its totient is φ = 50752752.

The previous prime is 76193417. The next prime is 76193423. The reversal of 76193421 is 12439167.

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

It is not a de Polignac number, because 76193421 - 22 = 76193417 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76193423) 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 7 ways as a sum of consecutive naturals, for example, 6310 + ... + 13863.

It is an arithmetic number, because the mean of its divisors is an integer number (12709620).

Almost surely, 276193421 is an apocalyptic number.

It is an amenable number.

76193421 is a deficient number, since it is larger than the sum of its proper divisors (25483539).

76193421 is a wasteful number, since it uses less digits than its factorization.

76193421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21435.

The product of its digits is 9072, while the sum is 33.

The square root of 76193421 is about 8728.8842929667. The cubic root of 76193421 is about 423.9413949052.

The spelling of 76193421 in words is "seventy-six million, one hundred ninety-three thousand, four hundred twenty-one".

Divisors: 1 3 1259 3777 20173 60519 25397807 76193421