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82804577 = 2318011999
BaseRepresentation
bin1001110111101…
…11111101100001
312202210220112012
410323313331201
5132144221302
612114442305
72023553522
oct473677541
9182726465
1082804577
1142817339
1223893395
1314202abb
14add6849
157409a52
hex4ef7f61

82804577 has 8 divisors (see below), whose sum is σ = 86496000. Its totient is φ = 79120800.

The previous prime is 82804567. The next prime is 82804591. The reversal of 82804577 is 77540828.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-82804577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82804517) 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, 40424 + ... + 42422.

It is an arithmetic number, because the mean of its divisors is an integer number (10812000).

Almost surely, 282804577 is an apocalyptic number.

It is an amenable number.

82804577 is a deficient number, since it is larger than the sum of its proper divisors (3691423).

82804577 is a wasteful number, since it uses less digits than its factorization.

82804577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 82804577 is about 9099.7020280886. The cubic root of 82804577 is about 435.8644491367.

The spelling of 82804577 in words is "eighty-two million, eight hundred four thousand, five hundred seventy-seven".

Divisors: 1 23 1801 1999 41423 45977 3600199 82804577