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84240933 = 3717832843
BaseRepresentation
bin1010000010101…
…10101000100101
312212111212211120
411001112220211
5133031202213
612205324153
72042015250
oct501265045
9185455746
1084240933
1143608507
1224266659
13145b680a
14b28c097
1575e0423
hex5056a25

84240933 has 32 divisors (see below), whose sum is σ = 137604096. Its totient is φ = 44744448.

The previous prime is 84240929. The next prime is 84240941. The reversal of 84240933 is 33904248.

It is not a de Polignac number, because 84240933 - 22 = 84240929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84240894 and 84240903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84240953) 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 31 ways as a sum of consecutive naturals, for example, 28210 + ... + 31052.

It is an arithmetic number, because the mean of its divisors is an integer number (4300128).

Almost surely, 284240933 is an apocalyptic number.

84240933 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

84240933 is a deficient number, since it is larger than the sum of its proper divisors (53363163).

84240933 is a wasteful number, since it uses less digits than its factorization.

84240933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 84240933 is about 9178.2859510913. The cubic root of 84240933 is about 438.3702328214.

The spelling of 84240933 in words is "eighty-four million, two hundred forty thousand, nine hundred thirty-three".

Divisors: 1 3 7 17 21 51 83 119 249 357 581 1411 1743 2843 4233 8529 9877 19901 29631 48331 59703 144993 235969 338317 707907 1014951 1651783 4011473 4955349 12034419 28080311 84240933