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85084506 = 23613672
BaseRepresentation
bin1010001001001…
…00100101011010
312221002202000000
411010210211122
5133240201011
612235353430
72052130533
oct504444532
9187082000
1085084506
1144034281
12245b2876
1314820780
14b42b68a
15770a356
hex512495a

85084506 has 84 divisors (see below), whose sum is σ = 209193642. Its totient is φ = 25789104.

The previous prime is 85084499. The next prime is 85084511. The reversal of 85084506 is 60548058.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 81812025 + 3272481 = 9045^2 + 1809^2 .

It is a super-2 number, since 2×850845062 = 14478746322528072, which contains 22 as substring.

It is an unprimeable number.

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 41 ways as a sum of consecutive naturals, for example, 1269885 + ... + 1269951.

Almost surely, 285084506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85084506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104596821).

85084506 is an abundant number, since it is smaller than the sum of its proper divisors (124109136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85084506 is an equidigital number, since it uses as much as digits as its factorization.

85084506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 85084506 is about 9224.1263000893. The cubic root of 85084506 is about 439.8286281661.

The spelling of 85084506 in words is "eighty-five million, eighty-four thousand, five hundred six".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 67 78 81 117 134 162 201 234 243 351 402 486 603 702 729 871 1053 1206 1458 1742 1809 2106 2613 3159 3618 4489 5226 5427 6318 7839 8978 9477 10854 13467 15678 16281 18954 23517 26934 32562 40401 47034 48843 58357 70551 80802 97686 116714 121203 141102 175071 211653 242406 350142 363609 423306 525213 634959 727218 1050426 1090827 1269918 1575639 2181654 3151278 3272481 4726917 6544962 9453834 14180751 28361502 42542253 85084506