Search a number
-
+
76313971 = 31279411
BaseRepresentation
bin1001000110001…
…11010101110011
312022121011002101
410203013111303
5124014021341
611323401231
71614441466
oct443072563
9168534071
1076313971
113a0938a8
1221683217
1312a6c6c6
14a1c72dd
156a76831
hex48c7573

76313971 has 6 divisors (see below), whose sum is σ = 78856116. Its totient is φ = 73851300.

The previous prime is 76313959. The next prime is 76313999. The reversal of 76313971 is 17931367.

It is not a de Polignac number, because 76313971 - 215 = 76281203 is a prime.

It is a super-3 number, since 3×763139713 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76313971.

It is not an unprimeable number, because it can be changed into a prime (76313911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38745 + ... + 40666.

It is an arithmetic number, because the mean of its divisors is an integer number (13142686).

Almost surely, 276313971 is an apocalyptic number.

76313971 is a deficient number, since it is larger than the sum of its proper divisors (2542145).

76313971 is an equidigital number, since it uses as much as digits as its factorization.

76313971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79473 (or 79442 counting only the distinct ones).

The product of its digits is 23814, while the sum is 37.

The square root of 76313971 is about 8735.7867991384. The cubic root of 76313971 is about 424.1648577952.

It can be divided in two parts, 76313 and 971, that added together give a square (77284 = 2782).

The spelling of 76313971 in words is "seventy-six million, three hundred thirteen thousand, nine hundred seventy-one".

Divisors: 1 31 961 79411 2461741 76313971