Search a number
-
+
76250005 = 5131497873
BaseRepresentation
bin1001000101101…
…11101110010101
312022110220100021
410202313232111
5124010000010
611322145141
71614054136
oct442675625
9168426307
1076250005
113a04a837
12216521b1
1312a49560
14a1abc8d
156a628da
hex48b7b95

76250005 has 16 divisors (see below), whose sum is σ = 99212400. Its totient is φ = 55922688.

The previous prime is 76250003. The next prime is 76250023. The reversal of 76250005 is 50005267.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 38415204 + 37834801 = 6198^2 + 6151^2 .

It is a cyclic number.

It is not a de Polignac number, because 76250005 - 21 = 76250003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76250003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5749 + ... + 13621.

It is an arithmetic number, because the mean of its divisors is an integer number (6200775).

Almost surely, 276250005 is an apocalyptic number.

It is an amenable number.

76250005 is a deficient number, since it is larger than the sum of its proper divisors (22962395).

76250005 is a wasteful number, since it uses less digits than its factorization.

76250005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 76250005 is about 8732.1248845857. The cubic root of 76250005 is about 424.0463136932.

The spelling of 76250005 in words is "seventy-six million, two hundred fifty thousand, five".

Divisors: 1 5 13 65 149 745 1937 7873 9685 39365 102349 511745 1173077 5865385 15250001 76250005