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82424817 = 3313722283
BaseRepresentation
bin1001110100110…
…11001111110001
312202002121121000
410322123033301
5132100043232
612102352213
72020412406
oct472331761
9182077530
1082424817
1142587a92
122372b669
13140cbca7
14ad382ad
15738227c
hex4e9b3f1

82424817 has 16 divisors (see below), whose sum is σ = 123007680. Its totient is φ = 54546336.

The previous prime is 82424813. The next prime is 82424827. The reversal of 82424817 is 71842428.

It is not a de Polignac number, because 82424817 - 22 = 82424813 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82424813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7443 + ... + 14840.

It is an arithmetic number, because the mean of its divisors is an integer number (7687980).

Almost surely, 282424817 is an apocalyptic number.

It is an amenable number.

82424817 is a deficient number, since it is larger than the sum of its proper divisors (40582863).

82424817 is a wasteful number, since it uses less digits than its factorization.

82424817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22429 (or 22423 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 82424817 is about 9078.8114310189. The cubic root of 82424817 is about 435.1971044926.

The spelling of 82424817 in words is "eighty-two million, four hundred twenty-four thousand, eight hundred seventeen".

Divisors: 1 3 9 27 137 411 1233 3699 22283 66849 200547 601641 3052771 9158313 27474939 82424817