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382162081 = 773747871
BaseRepresentation
bin10110110001110…
…101010010100001
3222122002211211011
4112301311102201
51240313141311
6101531020521
712320216110
oct2661652241
9878084734
10382162081
111867a2034
12a7b9a741
1361237312
1438a7dc77
152383d321
hex16c754a1

382162081 has 8 divisors (see below), whose sum is σ = 442740224. Its totient is φ = 323079840.

The previous prime is 382162069. The next prime is 382162093. The reversal of 382162081 is 180261283.

It is an interprime number because it is at equal distance from previous prime (382162069) and next prime (382162093).

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 382162081 - 219 = 381637793 is a prime.

It is a super-2 number, since 2×3821620812 = 292095712308501122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (382162031) 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, 373425 + ... + 374446.

It is an arithmetic number, because the mean of its divisors is an integer number (55342528).

Almost surely, 2382162081 is an apocalyptic number.

It is an amenable number.

382162081 is a deficient number, since it is larger than the sum of its proper divisors (60578143).

382162081 is an equidigital number, since it uses as much as digits as its factorization.

382162081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747951.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 382162081 is about 19548.9662386531. The cubic root of 382162081 is about 725.6867569527.

The spelling of 382162081 in words is "three hundred eighty-two million, one hundred sixty-two thousand, eighty-one".

Divisors: 1 7 73 511 747871 5235097 54594583 382162081