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34084890 = 23257259131
BaseRepresentation
bin1000001000000…
…1100000011010
32101010200200100
42002001200122
532211204030
63214320230
7562500600
oct202014032
971120610
1034084890
1118270534
12b4b9076
1370a5398
144753870
152ed4360
hex208181a

34084890 has 144 divisors (see below), whose sum is σ = 105636960. Its totient is φ = 7600320.

The previous prime is 34084877. The next prime is 34084891. The reversal of 34084890 is 9848043.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (34084891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 260125 + ... + 260255.

It is an arithmetic number, because the mean of its divisors is an integer number (733590).

Almost surely, 234084890 is an apocalyptic number.

34084890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 34084890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52818480).

34084890 is an abundant number, since it is smaller than the sum of its proper divisors (71552070).

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

34084890 is a wasteful number, since it uses less digits than its factorization.

34084890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 34084890 is about 5838.2266143068. The cubic root of 34084890 is about 324.2305743276.

The spelling of 34084890 in words is "thirty-four million, eighty-four thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 59 63 70 90 98 105 118 126 131 147 177 210 245 262 294 295 315 354 393 413 441 490 531 590 630 655 735 786 826 882 885 917 1062 1179 1239 1310 1470 1770 1834 1965 2065 2205 2358 2478 2655 2751 2891 3717 3930 4130 4410 4585 5310 5502 5782 5895 6195 6419 7434 7729 8253 8673 9170 11790 12390 12838 13755 14455 15458 16506 17346 18585 19257 23187 26019 27510 28910 32095 37170 38514 38645 41265 43365 46374 52038 54103 57771 64190 69561 77290 82530 86730 96285 108206 115542 115935 130095 139122 162309 192570 231870 260190 270515 288855 324618 347805 378721 486927 541030 577710 695610 757442 811545 973854 1136163 1623090 1893605 2272326 2434635 3408489 3787210 4869270 5680815 6816978 11361630 17042445 34084890