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194349630 = 23524126881
BaseRepresentation
bin10111001010110…
…00101000111110
3111112200222120110
423211120220332
5344223142010
631141330450
74546641666
oct1345305076
9445628513
10194349630
119a783832
1255106a26
13313594a7
141bb511a6
15120e0120
hexb958a3e

194349630 has 32 divisors (see below), whose sum is σ = 468391968. Its totient is φ = 51609600.

The previous prime is 194349611. The next prime is 194349667. The reversal of 194349630 is 36943491.

It is a super-3 number, since 3×1943496303 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6211 + ... + 20670.

It is an arithmetic number, because the mean of its divisors is an integer number (14637249).

Almost surely, 2194349630 is an apocalyptic number.

194349630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194349630 is an abundant number, since it is smaller than the sum of its proper divisors (274042338).

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

194349630 is a wasteful number, since it uses less digits than its factorization.

194349630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27132.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 194349630 is about 13940.9336129256. The cubic root of 194349630 is about 579.2435938280.

The spelling of 194349630 in words is "one hundred ninety-four million, three hundred forty-nine thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 241 482 723 1205 1446 2410 3615 7230 26881 53762 80643 134405 161286 268810 403215 806430 6478321 12956642 19434963 32391605 38869926 64783210 97174815 194349630