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82830474 = 23213733589
BaseRepresentation
bin1001110111111…
…10010010001010
312202212020001100
410323332102022
5132201033344
612115202230
72024022156
oct473762212
9182766040
1082830474
1142834841
12238a6376
131421181c
14b002066
157412569
hex4efe48a

82830474 has 24 divisors (see below), whose sum is σ = 180781380. Its totient is φ = 27407808.

The previous prime is 82830463. The next prime is 82830491. The reversal of 82830474 is 47403828.

It can be written as a sum of positive squares in 2 ways, for example, as 71318025 + 11512449 = 8445^2 + 3393^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14329 + ... + 19260.

Almost surely, 282830474 is an apocalyptic number.

82830474 is an abundant number, since it is smaller than the sum of its proper divisors (97950906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82830474 is a wasteful number, since it uses less digits than its factorization.

82830474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33734 (or 33731 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 82830474 is about 9101.1248755305. The cubic root of 82830474 is about 435.9098830387.

The spelling of 82830474 in words is "eighty-two million, eight hundred thirty thousand, four hundred seventy-four".

Divisors: 1 2 3 6 9 18 137 274 411 822 1233 2466 33589 67178 100767 201534 302301 604602 4601693 9203386 13805079 27610158 41415237 82830474