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85855132 = 22111951253
BaseRepresentation
bin1010001111000…
…00101110011100
312222112220002201
411013200232130
5133434331012
612304101244
72061520336
oct507405634
9188486081
1085855132
1144510260
1224904824
1314a3046c
14b58c456
15780d857
hex51e0b9c

85855132 has 12 divisors (see below), whose sum is σ = 163905336. Its totient is φ = 39025040.

The previous prime is 85855123. The next prime is 85855169. The reversal of 85855132 is 23155858.

It is a super-2 number, since 2×858551322 = 14742207381474848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85855091 and 85855100.

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 3 ways as a sum of consecutive naturals, for example, 975583 + ... + 975670.

It is an arithmetic number, because the mean of its divisors is an integer number (13658778).

Almost surely, 285855132 is an apocalyptic number.

It is an amenable number.

85855132 is a deficient number, since it is larger than the sum of its proper divisors (78050204).

85855132 is a wasteful number, since it uses less digits than its factorization.

85855132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951268 (or 1951266 counting only the distinct ones).

The product of its digits is 48000, while the sum is 37.

The square root of 85855132 is about 9265.8044442995. The cubic root of 85855132 is about 441.1525088567.

The spelling of 85855132 in words is "eighty-five million, eight hundred fifty-five thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 1951253 3902506 7805012 21463783 42927566 85855132