Search a number
-
+
76240277 = 1813971061
BaseRepresentation
bin1001000101101…
…01010110010101
312022110101222222
410202311112111
5124004142102
611322032125
71614013601
oct442652625
9168411888
1076240277
113a0434a3
1221648645
1312a44cb9
14a1a8501
156a5eaa2
hex48b5595

76240277 has 8 divisors (see below), whose sum is σ = 76927032. Its totient is φ = 75556800.

The previous prime is 76240273. The next prime is 76240289. The reversal of 76240277 is 77204267.

It can be written as a sum of positive squares in 4 ways, for example, as 3632836 + 72607441 = 1906^2 + 8521^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 76240277 - 22 = 76240273 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76240273) 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, 71327 + ... + 72387.

It is an arithmetic number, because the mean of its divisors is an integer number (9615879).

Almost surely, 276240277 is an apocalyptic number.

It is an amenable number.

76240277 is a deficient number, since it is larger than the sum of its proper divisors (686755).

76240277 is a wasteful number, since it uses less digits than its factorization.

76240277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 76240277 is about 8731.5678431768. The cubic root of 76240277 is about 424.0282796048.

The spelling of 76240277 in words is "seventy-six million, two hundred forty thousand, two hundred seventy-seven".

Divisors: 1 181 397 1061 71857 192041 421217 76240277