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85532120 = 2354574679
BaseRepresentation
bin1010001100100…
…01110111011000
312221221111000022
411012101313120
5133344011440
612253130012
72056003532
oct506216730
9187844008
1085532120
114430a603
1224789908
131494942b
14b506852
157797cb5
hex5191dd8

85532120 has 32 divisors (see below), whose sum is σ = 192909600. Its totient is φ = 34130688.

The previous prime is 85532113. The next prime is 85532137. The reversal of 85532120 is 2123558.

It is a self number, because there is not a number n which added to its sum of digits gives 85532120.

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 7 ways as a sum of consecutive naturals, for example, 15941 + ... + 20619.

It is an arithmetic number, because the mean of its divisors is an integer number (6028425).

Almost surely, 285532120 is an apocalyptic number.

It is an amenable number.

85532120 is an abundant number, since it is smaller than the sum of its proper divisors (107377480).

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

85532120 is a wasteful number, since it uses less digits than its factorization.

85532120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147 (or 5143 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 85532120 is about 9248.3576920446. The cubic root of 85532120 is about 440.5985655218.

Adding to 85532120 its reverse (2123558), we get a palindrome (87655678).

The spelling of 85532120 in words is "eighty-five million, five hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 457 914 1828 2285 3656 4570 4679 9140 9358 18280 18716 23395 37432 46790 93580 187160 2138303 4276606 8553212 10691515 17106424 21383030 42766060 85532120