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84630471 = 317297613
BaseRepresentation
bin1010000101101…
…01101111000111
312220020200011220
411002311233013
5133131133341
612221531423
72045230032
oct502655707
9186220156
1084630471
1143854142
1224413b73
13146c1c03
14b350019
15766aa66
hex50b5bc7

84630471 has 12 divisors (see below), whose sum is σ = 119869992. Its totient is φ = 53100928.

The previous prime is 84630467. The next prime is 84630479. The reversal of 84630471 is 17403648.

It is not a de Polignac number, because 84630471 - 22 = 84630467 is a prime.

It is a super-3 number, since 3×846304713 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84630479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47940 + ... + 49673.

It is an arithmetic number, because the mean of its divisors is an integer number (9989166).

Almost surely, 284630471 is an apocalyptic number.

84630471 is a deficient number, since it is larger than the sum of its proper divisors (35239521).

84630471 is a wasteful number, since it uses less digits than its factorization.

84630471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97650 (or 97633 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 84630471 is about 9199.4821049883. The cubic root of 84630471 is about 439.0448824067.

The spelling of 84630471 in words is "eighty-four million, six hundred thirty thousand, four hundred seventy-one".

Divisors: 1 3 17 51 289 867 97613 292839 1659421 4978263 28210157 84630471