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85149529 = 3126910211
BaseRepresentation
bin1010001001101…
…00011101011001
312221020001012021
411010310131121
5133244241104
612241014441
72052521233
oct504643531
9187201167
1085149529
1144079113
1224624421
131484424a
14b447253
15771e754
hex5134759

85149529 has 8 divisors (see below), whose sum is σ = 88231680. Its totient is φ = 82088400.

The previous prime is 85149527. The next prime is 85149541. The reversal of 85149529 is 92594158.

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 85149529 - 21 = 85149527 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85149521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3234 + ... + 13444.

It is an arithmetic number, because the mean of its divisors is an integer number (11028960).

Almost surely, 285149529 is an apocalyptic number.

It is an amenable number.

85149529 is a deficient number, since it is larger than the sum of its proper divisors (3082151).

85149529 is a wasteful number, since it uses less digits than its factorization.

85149529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10511.

The product of its digits is 129600, while the sum is 43.

The square root of 85149529 is about 9227.6502426132. The cubic root of 85149529 is about 439.9406410971.

The spelling of 85149529 in words is "eighty-five million, one hundred forty-nine thousand, five hundred twenty-nine".

Divisors: 1 31 269 8339 10211 316541 2746759 85149529