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85672478 = 2359119321
BaseRepresentation
bin1010001101101…
…00001000011110
312222012121112202
411012310020132
5133413004403
612300131502
72060126663
oct506641036
9188177482
1085672478
11443a6001
1224836b92
1314998298
14b541a6a
1577c4688
hex51b421e

85672478 has 8 divisors (see below), whose sum is σ = 128867760. Its totient is φ = 42716560.

The previous prime is 85672471. The next prime is 85672481. The reversal of 85672478 is 87427658.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85672471) 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, 58943 + ... + 60378.

It is an arithmetic number, because the mean of its divisors is an integer number (16108470).

Almost surely, 285672478 is an apocalyptic number.

85672478 is a deficient number, since it is larger than the sum of its proper divisors (43195282).

85672478 is a wasteful number, since it uses less digits than its factorization.

85672478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119682.

The product of its digits is 752640, while the sum is 47.

The square root of 85672478 is about 9255.9428477060. The cubic root of 85672478 is about 440.8394408678.

The spelling of 85672478 in words is "eighty-five million, six hundred seventy-two thousand, four hundred seventy-eight".

Divisors: 1 2 359 718 119321 238642 42836239 85672478