Search a number
-
+
76887307 = 727140531
BaseRepresentation
bin1001001010100…
…11010100001011
312100200021120001
410211103110023
5124140343212
611343543431
71622350150
oct445232413
9170607501
1076887307
113a445632
12218bab77
1312c10663
14a2d6227
156b3b657
hex495350b

76887307 has 8 divisors (see below), whose sum is σ = 88197632. Its totient is φ = 65658600.

The previous prime is 76887289. The next prime is 76887313. The reversal of 76887307 is 70378867.

It is a happy number.

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

It is not a de Polignac number, because 76887307 - 215 = 76854539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76887007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18369 + ... + 22162.

It is an arithmetic number, because the mean of its divisors is an integer number (11024704).

Almost surely, 276887307 is an apocalyptic number.

76887307 is a deficient number, since it is larger than the sum of its proper divisors (11310325).

76887307 is a wasteful number, since it uses less digits than its factorization.

76887307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40809.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 76887307 is about 8768.5407565911. The cubic root of 76887307 is about 425.2244387791.

The spelling of 76887307 in words is "seventy-six million, eight hundred eighty-seven thousand, three hundred seven".

Divisors: 1 7 271 1897 40531 283717 10983901 76887307