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34020080 = 245425251
BaseRepresentation
bin1000000111000…
…1101011110000
32101000101202222
42001301223300
532202120310
63213100212
7562110623
oct201615360
971011688
1034020080
1118226876
12b487668
137081a33
144737dba
152ec0055
hex2071af0

34020080 has 20 divisors (see below), whose sum is σ = 79096872. Its totient is φ = 13608000.

The previous prime is 34020079. The next prime is 34020083. The reversal of 34020080 is 8002043.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34020083) 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, 212546 + ... + 212705.

Almost surely, 234020080 is an apocalyptic number.

It is an amenable number.

34020080 is an abundant number, since it is smaller than the sum of its proper divisors (45076792).

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

34020080 is a wasteful number, since it uses less digits than its factorization.

34020080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425264 (or 425258 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 34020080 is about 5832.6734864897. The cubic root of 34020080 is about 324.0249434640.

The spelling of 34020080 in words is "thirty-four million, twenty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 425251 850502 1701004 2126255 3402008 4252510 6804016 8505020 17010040 34020080