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BaseRepresentation
bin1001101010100…
…01100010001010
312122120000001101
410311101202022
5131223334224
612013412014
72003056156
oct465214212
9178500041
1081074314
1141845372
122319a00a
1313a48389
14aaa6066
1571b7044
hex4d5188a

81074314 has 8 divisors (see below), whose sum is σ = 125805060. Its totient is φ = 39139296.

The previous prime is 81074293. The next prime is 81074341. The reversal of 81074314 is 41347018.

It can be written as a sum of positive squares in 2 ways, for example, as 74909025 + 6165289 = 8655^2 + 2483^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698859 + ... + 698974.

Almost surely, 281074314 is an apocalyptic number.

81074314 is a deficient number, since it is larger than the sum of its proper divisors (44730746).

81074314 is a wasteful number, since it uses less digits than its factorization.

81074314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397864.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 81074314 is about 9004.1276090469. The cubic root of 81074314 is about 432.8071508130.

It can be divided in two parts, 8107 and 4314, that added together give a palindrome (12421).

The spelling of 81074314 in words is "eighty-one million, seventy-four thousand, three hundred fourteen".

Divisors: 1 2 29 58 1397833 2795666 40537157 81074314