Search a number
-
+
76868057 = 714973699
BaseRepresentation
bin1001001010011…
…10100111011001
312100122022011002
410211032213121
5124134234212
611343314345
71622240060
oct445164731
9170568132
1076868057
113a432122
12218ab9b5
1312c04976
14a2cd1d7
156b35ac2
hex494e9d9

76868057 has 8 divisors (see below), whose sum is σ = 88440000. Its totient is φ = 65443824.

The previous prime is 76867993. The next prime is 76868063. The reversal of 76868057 is 75086867.

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 76868057 - 26 = 76867993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76868087) 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, 35807 + ... + 37892.

It is an arithmetic number, because the mean of its divisors is an integer number (11055000).

Almost surely, 276868057 is an apocalyptic number.

It is an amenable number.

76868057 is a deficient number, since it is larger than the sum of its proper divisors (11571943).

76868057 is a wasteful number, since it uses less digits than its factorization.

76868057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73855.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 76868057 is about 8767.4430137869. The cubic root of 76868057 is about 425.1889485099.

The spelling of 76868057 in words is "seventy-six million, eight hundred sixty-eight thousand, fifty-seven".

Divisors: 1 7 149 1043 73699 515893 10981151 76868057