Search a number
-
+
76313631 = 338965393
BaseRepresentation
bin1001000110001…
…11010000011111
312022121010121210
410203013100133
5124014014011
611323355503
71614440502
oct443072037
9168533553
1076313631
113a093619
1221682b93
1312a6c4c4
14a1c7139
156a766a6
hex48c741f

76313631 has 8 divisors (see below), whose sum is σ = 102014640. Its totient is φ = 50744192.

The previous prime is 76313597. The next prime is 76313659. The reversal of 76313631 is 13631367.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76313631 - 211 = 76311583 is a prime.

It is a super-3 number, since 3×763136313 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76318631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31530 + ... + 33863.

It is an arithmetic number, because the mean of its divisors is an integer number (12751830).

Almost surely, 276313631 is an apocalyptic number.

76313631 is a deficient number, since it is larger than the sum of its proper divisors (25701009).

76313631 is a wasteful number, since it uses less digits than its factorization.

76313631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65785.

The product of its digits is 6804, while the sum is 30.

The square root of 76313631 is about 8735.7673389348. The cubic root of 76313631 is about 424.1642278701.

Adding to 76313631 its reverse (13631367), we get a palindrome (89944998).

The spelling of 76313631 in words is "seventy-six million, three hundred thirteen thousand, six hundred thirty-one".

Divisors: 1 3 389 1167 65393 196179 25437877 76313631