Search a number
-
+
76411993 = 731237307
BaseRepresentation
bin1001000110111…
…11010001011001
312022210010112211
410203133101121
5124030140433
611325435121
71615330330
oct443372131
9168703484
1076411993
113a150509
122170baa1
1312aa51c8
14a210d17
156a958cd
hex48df459

76411993 has 24 divisors (see below), whose sum is σ = 92976576. Its totient is φ = 61469280.

The previous prime is 76411961. The next prime is 76411999. The reversal of 76411993 is 39911467.

It is not a de Polignac number, because 76411993 - 25 = 76411961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76411999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 248746 + ... + 249052.

It is an arithmetic number, because the mean of its divisors is an integer number (3874024).

Almost surely, 276411993 is an apocalyptic number.

It is an amenable number.

76411993 is a deficient number, since it is larger than the sum of its proper divisors (16564583).

76411993 is a wasteful number, since it uses less digits than its factorization.

76411993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 382 counting only the distinct ones).

The product of its digits is 40824, while the sum is 40.

The square root of 76411993 is about 8741.3953691616. The cubic root of 76411993 is about 424.3463872423.

The spelling of 76411993 in words is "seventy-six million, four hundred eleven thousand, nine hundred ninety-three".

Divisors: 1 7 31 37 217 259 307 961 1147 2149 6727 8029 9517 11359 35557 66619 79513 248899 295027 352129 2065189 2464903 10915999 76411993