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86842030 = 2511789473
BaseRepresentation
bin1010010110100…
…01101010101110
320001102000212111
411023101222232
5134212421110
612341154234
72103100522
oct513215256
9201360774
1086842030
1145024780
12250bb97a
1314cb7722
14b767d82
157955e8a
hex52d1aae

86842030 has 16 divisors (see below), whose sum is σ = 170526384. Its totient is φ = 31578880.

The previous prime is 86842009. The next prime is 86842031. The reversal of 86842030 is 3024868.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 86841983 and 86842001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86842031) 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, 394627 + ... + 394846.

It is an arithmetic number, because the mean of its divisors is an integer number (10657899).

Almost surely, 286842030 is an apocalyptic number.

86842030 is a deficient number, since it is larger than the sum of its proper divisors (83684354).

86842030 is a wasteful number, since it uses less digits than its factorization.

86842030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789491.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 86842030 is about 9318.9071247652. The cubic root of 86842030 is about 442.8364109516.

Adding to 86842030 its reverse (3024868), we get a palindrome (89866898).

The spelling of 86842030 in words is "eighty-six million, eight hundred forty-two thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 789473 1578946 3947365 7894730 8684203 17368406 43421015 86842030