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85407336 = 23327971747
BaseRepresentation
bin1010001011100…
…11011001101000
312221201010211200
411011303121220
5133331013321
612250324200
72054643660
oct505633150
9187633750
1085407336
1144234883
1224729660
13149046b1
14b4b31a0
157770d26
hex5173668

85407336 has 96 divisors (see below), whose sum is σ = 267234240. Its totient is φ = 24136704.

The previous prime is 85407323. The next prime is 85407341. The reversal of 85407336 is 63370458.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 85407336.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 48015 + ... + 49761.

It is an arithmetic number, because the mean of its divisors is an integer number (2783690).

Almost surely, 285407336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85407336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133617120).

85407336 is an abundant number, since it is smaller than the sum of its proper divisors (181826904).

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

85407336 is a wasteful number, since it uses less digits than its factorization.

85407336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863 (or 1856 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 85407336 is about 9241.6089508267. The cubic root of 85407336 is about 440.3841961131.

It can be divided in two parts, 8540 and 7336, that added together give a square (15876 = 1262).

The spelling of 85407336 in words is "eighty-five million, four hundred seven thousand, three hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 97 126 168 194 252 291 388 504 582 679 776 873 1164 1358 1746 1747 2037 2328 2716 3492 3494 4074 5241 5432 6111 6984 6988 8148 10482 12222 12229 13976 15723 16296 20964 24444 24458 31446 36687 41928 48888 48916 62892 73374 97832 110061 125784 146748 169459 220122 293496 338918 440244 508377 677836 880488 1016754 1186213 1355672 1525131 2033508 2372426 3050262 3558639 4067016 4744852 6100524 7117278 9489704 10675917 12201048 14234556 21351834 28469112 42703668 85407336