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82943331 = 327647777
BaseRepresentation
bin1001111000110…
…01110101100011
312210001221212020
410330121311203
5132213141311
612121432523
72025002202
oct474316543
9183057766
1082943331
1142901609
122393b743
1314250cc3
14b031239
157435c06
hex4f19d63

82943331 has 4 divisors (see below), whose sum is σ = 110591112. Its totient is φ = 55295552.

The previous prime is 82943327. The next prime is 82943339. The reversal of 82943331 is 13334928.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82943331 - 22 = 82943327 is a prime.

It is a super-2 number, since 2×829433312 = 13759192314751122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82943292 and 82943301.

It is not an unprimeable number, because it can be changed into a prime (82943339) 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, 13823886 + ... + 13823891.

It is an arithmetic number, because the mean of its divisors is an integer number (27647778).

Almost surely, 282943331 is an apocalyptic number.

82943331 is a deficient number, since it is larger than the sum of its proper divisors (27647781).

82943331 is a wasteful number, since it uses less digits than its factorization.

82943331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27647780.

The product of its digits is 15552, while the sum is 33.

The square root of 82943331 is about 9107.3229326735. The cubic root of 82943331 is about 436.1077697711.

The spelling of 82943331 in words is "eighty-two million, nine hundred forty-three thousand, three hundred thirty-one".

Divisors: 1 3 27647777 82943331