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84680472 = 23325713729
BaseRepresentation
bin1010000110000…
…01111100011000
312220100012202210
411003001330120
5133134233342
612222555120
72045525562
oct503017430
9186305683
1084680472
1143888768
1224438aa0
131470b8b6
14b364332
15767a79c
hex50c1f18

84680472 has 32 divisors (see below), whose sum is σ = 212540400. Its totient is φ = 28114944.

The previous prime is 84680471. The next prime is 84680509. The reversal of 84680472 is 27408648.

It is a self number, because there is not a number n which added to its sum of digits gives 84680472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84680471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697 + ... + 13032.

Almost surely, 284680472 is an apocalyptic number.

It is an amenable number.

84680472 is an abundant number, since it is smaller than the sum of its proper divisors (127859928).

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

84680472 is a wasteful number, since it uses less digits than its factorization.

84680472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13995 (or 13991 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 84680472 is about 9202.1993023407. The cubic root of 84680472 is about 439.1313302349.

It can be divided in two parts, 846 and 80472, that added together give a palindrome (81318).

The spelling of 84680472 in words is "eighty-four million, six hundred eighty thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 257 514 771 1028 1542 2056 3084 6168 13729 27458 41187 54916 82374 109832 164748 329496 3528353 7056706 10585059 14113412 21170118 28226824 42340236 84680472