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85381342 = 269161781
BaseRepresentation
bin1010001011011…
…01000011011110
312221122211011221
411011231003132
5133324200332
612250003554
72054505124
oct505550336
9187584157
1085381342
11442172a2
12247165ba
13148c5907
14b4a7914
157768297
hex516d0de

85381342 has 8 divisors (see below), whose sum is σ = 128259432. Its totient is φ = 42628200.

The previous prime is 85381339. The next prime is 85381343. The reversal of 85381342 is 24318358.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 85381298 and 85381307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85381343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29509 + ... + 32272.

It is an arithmetic number, because the mean of its divisors is an integer number (16032429).

Almost surely, 285381342 is an apocalyptic number.

85381342 is a deficient number, since it is larger than the sum of its proper divisors (42878090).

85381342 is a wasteful number, since it uses less digits than its factorization.

85381342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62474.

The product of its digits is 23040, while the sum is 34.

The square root of 85381342 is about 9240.2024869588. The cubic root of 85381342 is about 440.3395141265.

The spelling of 85381342 in words is "eighty-five million, three hundred eighty-one thousand, three hundred forty-two".

Divisors: 1 2 691 1382 61781 123562 42690671 85381342