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34020070 = 2571925579
BaseRepresentation
bin1000000111000…
…1101011100110
32101000101202121
42001301223212
532202120240
63213100154
7562110610
oct201615346
971011677
1034020070
1118226867
12b48765a
137081a26
144737db0
152ec004a
hex2071ae6

34020070 has 32 divisors (see below), whose sum is σ = 73670400. Its totient is φ = 11049696.

The previous prime is 34020053. The next prime is 34020073. The reversal of 34020070 is 7002043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34020073) 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, 11460 + ... + 14119.

It is an arithmetic number, because the mean of its divisors is an integer number (2302200).

Almost surely, 234020070 is an apocalyptic number.

34020070 is an abundant number, since it is smaller than the sum of its proper divisors (39650330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34020070 is a wasteful number, since it uses less digits than its factorization.

34020070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25612.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 34020070 is about 5832.6726292498. The cubic root of 34020070 is about 324.0249117156.

The spelling of 34020070 in words is "thirty-four million, twenty thousand, seventy".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 25579 51158 127895 179053 255790 358106 486001 895265 972002 1790530 2430005 3402007 4860010 6804014 17010035 34020070