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85427141 = 337253493
BaseRepresentation
bin1010001011110…
…00001111000101
312221202011000012
411011320033011
5133332132031
612251000005
72055055502
oct505701705
9187664005
1085427141
1144248748
1224739005
1314910707
14b4ba4a9
157776b2b
hex51783c5

85427141 has 4 divisors (see below), whose sum is σ = 85680972. Its totient is φ = 85173312.

The previous prime is 85427101. The next prime is 85427161. The reversal of 85427141 is 14172458.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61622500 + 23804641 = 7850^2 + 4879^2 .

It is a cyclic number.

It is not a de Polignac number, because 85427141 - 226 = 18318277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85427098 and 85427107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85427101) 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 3 ways as a sum of consecutive naturals, for example, 126410 + ... + 127083.

It is an arithmetic number, because the mean of its divisors is an integer number (21420243).

Almost surely, 285427141 is an apocalyptic number.

It is an amenable number.

85427141 is a deficient number, since it is larger than the sum of its proper divisors (253831).

85427141 is a wasteful number, since it uses less digits than its factorization.

85427141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253830.

The product of its digits is 8960, while the sum is 32.

The square root of 85427141 is about 9242.6804012689. The cubic root of 85427141 is about 440.4182335286.

Adding to 85427141 its reverse (14172458), we get a palindrome (99599599).

The spelling of 85427141 in words is "eighty-five million, four hundred twenty-seven thousand, one hundred forty-one".

Divisors: 1 337 253493 85427141