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82338481 = 311926399
BaseRepresentation
bin1001110100001…
…10001010110001
312201221020011101
410322012022301
5132034312411
612100444401
72016602611
oct472061261
9181836141
1082338481
1142529135
12236a9701
131409b8c4
14ad14a41
1573668c1
hex4e862b1

82338481 has 4 divisors (see below), whose sum is σ = 82368000. Its totient is φ = 82308964.

The previous prime is 82338469. The next prime is 82338541. The reversal of 82338481 is 18483328.

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 82338481 - 217 = 82207409 is a prime.

It is a super-2 number, since 2×823384812 = 13559250906774722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82338481.

It is not an unprimeable number, because it can be changed into a prime (82348481) 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, 10081 + ... + 16318.

It is an arithmetic number, because the mean of its divisors is an integer number (20592000).

Almost surely, 282338481 is an apocalyptic number.

It is an amenable number.

82338481 is a deficient number, since it is larger than the sum of its proper divisors (29519).

82338481 is a wasteful number, since it uses less digits than its factorization.

82338481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29518.

The product of its digits is 36864, while the sum is 37.

The square root of 82338481 is about 9074.0553778341. The cubic root of 82338481 is about 435.0451021188.

It can be divided in two parts, 823 and 38481, that added together give a cube (39304 = 343).

The spelling of 82338481 in words is "eighty-two million, three hundred thirty-eight thousand, four hundred eighty-one".

Divisors: 1 3119 26399 82338481