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82644514 = 2172430721
BaseRepresentation
bin1001110110100…
…00111000100010
312202111202221221
410323100320202
5132124111024
612111205254
72022316051
oct473207042
9182452857
1082644514
1142718057
122381682a
1314177ca4
14ad94398
1573c73e4
hex4ed0e22

82644514 has 8 divisors (see below), whose sum is σ = 131258988. Its totient is φ = 38891520.

The previous prime is 82644503. The next prime is 82644521. The reversal of 82644514 is 41544628.

It can be written as a sum of positive squares in 2 ways, for example, as 80910025 + 1734489 = 8995^2 + 1317^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 2430721 = 82644514 / (8 + 2 + 6 + 4 + 4 + 5 + 1 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 82644514.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1215327 + ... + 1215394.

Almost surely, 282644514 is an apocalyptic number.

82644514 is a deficient number, since it is larger than the sum of its proper divisors (48614474).

82644514 is a wasteful number, since it uses less digits than its factorization.

82644514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430740.

The product of its digits is 30720, while the sum is 34.

The square root of 82644514 is about 9090.9028154524. The cubic root of 82644514 is about 435.5834229137.

The spelling of 82644514 in words is "eighty-two million, six hundred forty-four thousand, five hundred fourteen".

Divisors: 1 2 17 34 2430721 4861442 41322257 82644514