Search a number
-
+
76128245 = 51011271187
BaseRepresentation
bin1001000100110…
…01111111110101
312022020201022122
410202121333311
5123442100440
611315405325
71613036144
oct442317765
9168221278
1076128245
1139a77306
12215b3845
1312a05ccb
14a17975b
156a3b7b5
hex4899ff5

76128245 has 16 divisors (see below), whose sum is σ = 93063168. Its totient is φ = 59774400.

The previous prime is 76128233. The next prime is 76128263. The reversal of 76128245 is 54282167.

It is not a de Polignac number, because 76128245 - 218 = 75866101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63542 + ... + 64728.

It is an arithmetic number, because the mean of its divisors is an integer number (5816448).

Almost surely, 276128245 is an apocalyptic number.

It is an amenable number.

76128245 is a deficient number, since it is larger than the sum of its proper divisors (16934923).

76128245 is a wasteful number, since it uses less digits than its factorization.

76128245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420.

The product of its digits is 26880, while the sum is 35.

The square root of 76128245 is about 8725.1501419746. The cubic root of 76128245 is about 423.8204803249.

The spelling of 76128245 in words is "seventy-six million, one hundred twenty-eight thousand, two hundred forty-five".

Divisors: 1 5 101 127 505 635 1187 5935 12827 64135 119887 150749 599435 753745 15225649 76128245