Search a number
-
+
76214077 = 174483181
BaseRepresentation
bin1001000101011…
…10111100111101
312022102002001121
410202232330331
5124002322302
611321310541
71613544322
oct442567475
9168362047
1076214077
113a025845
1221635451
1312a360b4
14a19cb49
156a56e37
hex48aef3d

76214077 has 4 divisors (see below), whose sum is σ = 80697276. Its totient is φ = 71730880.

The previous prime is 76214063. The next prime is 76214107. The reversal of 76214077 is 77041267.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77041267 = 162147527.

It can be written as a sum of positive squares in 2 ways, for example, as 31203396 + 45010681 = 5586^2 + 6709^2 .

It is a cyclic number.

It is not a de Polignac number, because 76214077 - 215 = 76181309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76212077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2241574 + ... + 2241607.

It is an arithmetic number, because the mean of its divisors is an integer number (20174319).

Almost surely, 276214077 is an apocalyptic number.

It is an amenable number.

76214077 is a deficient number, since it is larger than the sum of its proper divisors (4483199).

76214077 is a wasteful number, since it uses less digits than its factorization.

76214077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4483198.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 76214077 is about 8730.0674109654. The cubic root of 76214077 is about 423.9797015469.

The spelling of 76214077 in words is "seventy-six million, two hundred fourteen thousand, seventy-seven".

Divisors: 1 17 4483181 76214077