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82046401 = 103796567
BaseRepresentation
bin1001110001111…
…10110111000001
312201101101111121
410320332313001
5132000441101
612050312241
72014245223
oct470766701
9181341447
1082046401
1142349748
1223588681
1313cc8988
14ac7a413
15730a0a1
hex4e3edc1

82046401 has 4 divisors (see below), whose sum is σ = 82843072. Its totient is φ = 81249732.

The previous prime is 82046399. The next prime is 82046407. The reversal of 82046401 is 10464028.

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 82046401 - 21 = 82046399 is a prime.

It is a super-2 number, since 2×820464012 = 13463223834105602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82046407) 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, 398181 + ... + 398386.

It is an arithmetic number, because the mean of its divisors is an integer number (20710768).

Almost surely, 282046401 is an apocalyptic number.

It is an amenable number.

82046401 is a deficient number, since it is larger than the sum of its proper divisors (796671).

82046401 is a wasteful number, since it uses less digits than its factorization.

82046401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796670.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 82046401 is about 9057.9468424141. The cubic root of 82046401 is about 434.5300795823.

The spelling of 82046401 in words is "eighty-two million, forty-six thousand, four hundred one".

Divisors: 1 103 796567 82046401