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82840601 = 131632371
BaseRepresentation
bin1001111000000…
…00110000011001
312202212201221102
410330000300121
5132201344401
612115321145
72024063534
oct474006031
9182781842
1082840601
1142841408
12238b01b5
131421630c
14b005a1b
15741556b
hex4f00c19

82840601 has 4 divisors (see below), whose sum is σ = 83473104. Its totient is φ = 82208100.

The previous prime is 82840567. The next prime is 82840607. The reversal of 82840601 is 10604828.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82840601 - 210 = 82839577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82840607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316055 + ... + 316316.

It is an arithmetic number, because the mean of its divisors is an integer number (20868276).

Almost surely, 282840601 is an apocalyptic number.

It is an amenable number.

82840601 is a deficient number, since it is larger than the sum of its proper divisors (632503).

82840601 is a wasteful number, since it uses less digits than its factorization.

82840601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632502.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 82840601 is about 9101.6812183244. The cubic root of 82840601 is about 435.9276473521.

The spelling of 82840601 in words is "eighty-two million, eight hundred forty thousand, six hundred one".

Divisors: 1 131 632371 82840601