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85341420 = 22325474119
BaseRepresentation
bin1010001011000…
…11010011101100
312221120210102100
411011203103230
5133321411140
612245055100
72054250543
oct505432354
9187523370
1085341420
114419a2aa
12246b7490
13148b06a8
14b49715a
15775b530
hex51634ec

85341420 has 36 divisors (see below), whose sum is σ = 258869520. Its totient is φ = 22757664.

The previous prime is 85341401. The next prime is 85341427. The reversal of 85341420 is 2414358.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (85341427) 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 11 ways as a sum of consecutive naturals, for example, 236880 + ... + 237239.

It is an arithmetic number, because the mean of its divisors is an integer number (7190820).

Almost surely, 285341420 is an apocalyptic number.

It is an amenable number.

85341420 is an abundant number, since it is smaller than the sum of its proper divisors (173528100).

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

85341420 is a wasteful number, since it uses less digits than its factorization.

85341420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474134 (or 474129 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 85341420 is about 9238.0420003375. The cubic root of 85341420 is about 440.2708731555.

Adding to 85341420 its reverse (2414358), we get a palindrome (87755778).

The spelling of 85341420 in words is "eighty-five million, three hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 474119 948238 1422357 1896476 2370595 2844714 4267071 4741190 5689428 7111785 8534142 9482380 14223570 17068284 21335355 28447140 42670710 85341420