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85407343 = 734992
BaseRepresentation
bin1010001011100…
…11011001101111
312221201010211221
411011303121233
5133331013333
612250324211
72054644000
oct505633157
9187633757
1085407343
114423488a
1224729667
13149046b8
14b4b31a7
157770d2d
hex517366f

85407343 has 12 divisors (see below), whose sum is σ = 99800400. Its totient is φ = 73059588.

The previous prime is 85407341. The next prime is 85407383. The reversal of 85407343 is 34370458.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 85407343 - 21 = 85407341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85407299 and 85407308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85407341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170908 + ... + 171406.

It is an arithmetic number, because the mean of its divisors is an integer number (8316700).

Almost surely, 285407343 is an apocalyptic number.

85407343 is a deficient number, since it is larger than the sum of its proper divisors (14393057).

85407343 is an frugal number, since it uses more digits than its factorization.

85407343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 85407343 is about 9241.6093295486. The cubic root of 85407343 is about 440.3842081445.

The spelling of 85407343 in words is "eighty-five million, four hundred seven thousand, three hundred forty-three".

Divisors: 1 7 49 343 499 3493 24451 171157 249001 1743007 12201049 85407343