Search a number
-
+
76740046 = 238370023
BaseRepresentation
bin1001001001011…
…11010111001110
312100101210112221
410210233113032
5124121140141
611340445554
71621164625
oct444572716
9170353487
1076740046
113a354a29
12218498ba
1312b8b616
14a2986bc
156b0cbd1
hex492f5ce

76740046 has 4 divisors (see below), whose sum is σ = 115110072. Its totient is φ = 38370022.

The previous prime is 76740043. The next prime is 76740071. The reversal of 76740046 is 64004767.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64004767 = 254325169.

It is a junction number, because it is equal to n+sod(n) for n = 76739993 and 76740020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76740043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19185010 + ... + 19185013.

It is an arithmetic number, because the mean of its divisors is an integer number (28777518).

Almost surely, 276740046 is an apocalyptic number.

76740046 is a deficient number, since it is larger than the sum of its proper divisors (38370026).

76740046 is a wasteful number, since it uses less digits than its factorization.

76740046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38370025.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 76740046 is about 8760.1396107596. The cubic root of 76740046 is about 424.9527901424.

The spelling of 76740046 in words is "seventy-six million, seven hundred forty thousand, forty-six".

Divisors: 1 2 38370023 76740046