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85155946 = 2311373483
BaseRepresentation
bin1010001001101…
…10000001101010
312221020100222221
411010312001222
5133244442241
612241104254
72052546031
oct504660152
9187210887
1085155946
1144082a17
122462808a
1314847145
14b449718
1577215d1
hex513606a

85155946 has 8 divisors (see below), whose sum is σ = 131854464. Its totient is φ = 41204460.

The previous prime is 85155937. The next prime is 85155947. The reversal of 85155946 is 64955158.

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

It is not an unprimeable number, because it can be changed into a prime (85155947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686680 + ... + 686803.

It is an arithmetic number, because the mean of its divisors is an integer number (16481808).

Almost surely, 285155946 is an apocalyptic number.

85155946 is a deficient number, since it is larger than the sum of its proper divisors (46698518).

85155946 is a wasteful number, since it uses less digits than its factorization.

85155946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373516.

The product of its digits is 216000, while the sum is 43.

The square root of 85155946 is about 9227.9979410488. The cubic root of 85155946 is about 439.9516923549.

The spelling of 85155946 in words is "eighty-five million, one hundred fifty-five thousand, nine hundred forty-six".

Divisors: 1 2 31 62 1373483 2746966 42577973 85155946