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84482981 = 1111367967
BaseRepresentation
bin1010000100100…
…01101110100101
312212222011212022
411002101232211
5133111423411
612214432525
72044044032
oct502215645
9185864768
1084482981
1143763350
1224362745
131466ca3b
14b312389
15763bedb
hex5091ba5

84482981 has 8 divisors (see below), whose sum is σ = 92980224. Its totient is φ = 76121920.

The previous prime is 84482963. The next prime is 84482989. The reversal of 84482981 is 18928448.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84482981 - 218 = 84220837 is a prime.

It is a super-2 number, since 2×844829812 = 14274748157292722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84482989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32741 + ... + 35226.

It is an arithmetic number, because the mean of its divisors is an integer number (11622528).

Almost surely, 284482981 is an apocalyptic number.

It is an amenable number.

84482981 is a deficient number, since it is larger than the sum of its proper divisors (8497243).

84482981 is a wasteful number, since it uses less digits than its factorization.

84482981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68091.

The product of its digits is 147456, while the sum is 44.

The square root of 84482981 is about 9191.4623972467. The cubic root of 84482981 is about 438.7896851845.

The spelling of 84482981 in words is "eighty-four million, four hundred eighty-two thousand, nine hundred eighty-one".

Divisors: 1 11 113 1243 67967 747637 7680271 84482981