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34272780 = 22352919697
BaseRepresentation
bin1000001010111…
…1011000001100
32101111020102020
42002233120030
532233212110
63222330140
7564212433
oct202573014
971436366
1034272780
1118389713
12b589950
13713ca69
1447a211a
15301ed70
hex20af60c

34272780 has 48 divisors (see below), whose sum is σ = 99277920. Its totient is φ = 8823808.

The previous prime is 34272773. The next prime is 34272781. The reversal of 34272780 is 8727243.

It is not an unprimeable number, because it can be changed into a prime (34272781) 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 15 ways as a sum of consecutive naturals, for example, 8109 + ... + 11588.

It is an arithmetic number, because the mean of its divisors is an integer number (2068290).

Almost surely, 234272780 is an apocalyptic number.

34272780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34272780 is an abundant number, since it is smaller than the sum of its proper divisors (65005140).

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

34272780 is a wasteful number, since it uses less digits than its factorization.

34272780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19738 (or 19736 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 34272780 is about 5854.2958585982. The cubic root of 34272780 is about 324.8252472751.

The spelling of 34272780 in words is "thirty-four million, two hundred seventy-two thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 580 870 1740 19697 39394 59091 78788 98485 118182 196970 236364 295455 393940 571213 590910 1142426 1181820 1713639 2284852 2856065 3427278 5712130 6854556 8568195 11424260 17136390 34272780