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82110077 = 719617369
BaseRepresentation
bin1001110010011…
…10011001111101
312201111121211222
410321032121331
5132010010302
612051523125
72014631660
oct471163175
9181447758
1082110077
1142392575
12235b94a5
131401b95a
14ac956d7
15731dda2
hex4e4e67d

82110077 has 8 divisors (see below), whose sum is σ = 98779200. Its totient is φ = 66675744.

The previous prime is 82110047. The next prime is 82110079. The reversal of 82110077 is 77001128.

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 82110077 - 212 = 82105981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82110079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308552 + ... + 308817.

It is an arithmetic number, because the mean of its divisors is an integer number (12347400).

Almost surely, 282110077 is an apocalyptic number.

It is an amenable number.

82110077 is a deficient number, since it is larger than the sum of its proper divisors (16669123).

82110077 is a wasteful number, since it uses less digits than its factorization.

82110077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617395.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 82110077 is about 9061.4610852776. The cubic root of 82110077 is about 434.6424630715.

The spelling of 82110077 in words is "eighty-two million, one hundred ten thousand, seventy-seven".

Divisors: 1 7 19 133 617369 4321583 11730011 82110077