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82900489 = 711842927
BaseRepresentation
bin1001111000011…
…11011000001001
312202222210002111
410330033120021
5132210303424
612120502321
72024433250
oct474173011
9182883074
1082900489
1142882401
122391a9a1
1314237659
14b01d797
157428194
hex4f0f609

82900489 has 4 divisors (see below), whose sum is σ = 94743424. Its totient is φ = 71057556.

The previous prime is 82900463. The next prime is 82900513. The reversal of 82900489 is 98400928.

It is a happy number.

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 82900489 - 25 = 82900457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82900409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5921457 + ... + 5921470.

It is an arithmetic number, because the mean of its divisors is an integer number (23685856).

Almost surely, 282900489 is an apocalyptic number.

It is an amenable number.

82900489 is a deficient number, since it is larger than the sum of its proper divisors (11842935).

82900489 is a wasteful number, since it uses less digits than its factorization.

82900489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11842934.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 82900489 is about 9104.9705655757. The cubic root of 82900489 is about 436.0326705171.

The spelling of 82900489 in words is "eighty-two million, nine hundred thousand, four hundred eighty-nine".

Divisors: 1 7 11842927 82900489