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34478085 = 3517912841
BaseRepresentation
bin1000001110000…
…1100000000101
32101212200001010
42003201200011
532311244320
63230552433
7566026125
oct203414005
971780033
1034478085
1118509994
12b668719
1371b2345
144816c85
153060ae0
hex20e1805

34478085 has 16 divisors (see below), whose sum is σ = 55477440. Its totient is φ = 18284160.

The previous prime is 34478083. The next prime is 34478111. The reversal of 34478085 is 58087443.

It is not a de Polignac number, because 34478085 - 21 = 34478083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34478083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3736 + ... + 9105.

It is an arithmetic number, because the mean of its divisors is an integer number (3467340).

Almost surely, 234478085 is an apocalyptic number.

It is an amenable number.

34478085 is a deficient number, since it is larger than the sum of its proper divisors (20999355).

34478085 is a wasteful number, since it uses less digits than its factorization.

34478085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13028.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 34478085 is about 5871.8042372000. The cubic root of 34478085 is about 325.4725591011.

It can be divided in two parts, 344780 and 85, that added together give a triangular number (344865 = T830).

The spelling of 34478085 in words is "thirty-four million, four hundred seventy-eight thousand, eighty-five".

Divisors: 1 3 5 15 179 537 895 2685 12841 38523 64205 192615 2298539 6895617 11492695 34478085