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86149029 = 3149919157
BaseRepresentation
bin1010010001010…
…00011110100101
320000002211020210
411020220132211
5134023232104
612314250033
72064153231
oct510503645
9200084223
1086149029
11446a104a
1224a26919
1314b04175
14b6275c1
15786a989
hex52287a5

86149029 has 8 divisors (see below), whose sum is σ = 114948000. Its totient is φ = 57391376.

The previous prime is 86149001. The next prime is 86149033. The reversal of 86149029 is 92094168.

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 86149029 - 216 = 86083493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86149079) 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, 5082 + ... + 14075.

It is an arithmetic number, because the mean of its divisors is an integer number (14368500).

Almost surely, 286149029 is an apocalyptic number.

It is an amenable number.

86149029 is a deficient number, since it is larger than the sum of its proper divisors (28798971).

86149029 is a wasteful number, since it uses less digits than its factorization.

86149029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20659.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 86149029 is about 9281.6501226883. The cubic root of 86149029 is about 441.6553160645.

The spelling of 86149029 in words is "eighty-six million, one hundred forty-nine thousand, twenty-nine".

Divisors: 1 3 1499 4497 19157 57471 28716343 86149029