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193084290 = 23357102161
BaseRepresentation
bin10111000001000…
…11101110000010
3111110022200212000
423200203232002
5343412144130
631054244430
74533121650
oct1340435602
9443280760
10193084290
1199a9a0a3
12547b6716
1331005579
141b901dd0
1511e40260
hexb823b82

193084290 has 64 divisors (see below), whose sum is σ = 588453120. Its totient is φ = 44133120.

The previous prime is 193084279. The next prime is 193084313. The reversal of 193084290 is 92480391.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49191 + ... + 52970.

It is an arithmetic number, because the mean of its divisors is an integer number (9194580).

Almost surely, 2193084290 is an apocalyptic number.

193084290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193084290 is an abundant number, since it is smaller than the sum of its proper divisors (395368830).

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

193084290 is a wasteful number, since it uses less digits than its factorization.

193084290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102184 (or 102178 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 193084290 is about 13895.4773217763. The cubic root of 193084290 is about 577.9837740842.

The spelling of 193084290 in words is "one hundred ninety-three million, eighty-four thousand, two hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 90 105 126 135 189 210 270 315 378 630 945 1890 102161 204322 306483 510805 612966 715127 919449 1021610 1430254 1532415 1838898 2145381 2758347 3064830 3575635 4290762 4597245 5516694 6436143 7151270 9194490 10726905 12872286 13791735 19308429 21453810 27583470 32180715 38616858 64361430 96542145 193084290