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194966630 = 2523847681
BaseRepresentation
bin10111001111011…
…11010001100110
3111120212022221022
423213233101212
5344402413010
631202451142
74555121555
oct1347572146
9446768838
10194966630
11a0065351
1255363ab2
1331514291
141bc71d9c
15121b2d55
hexb9ef466

194966630 has 16 divisors (see below), whose sum is σ = 366198624. Its totient is φ = 74595840.

The previous prime is 194966617. The next prime is 194966641. The reversal of 194966630 is 36669491.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423611 + ... + 424070.

It is an arithmetic number, because the mean of its divisors is an integer number (22887414).

Almost surely, 2194966630 is an apocalyptic number.

194966630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194966630 is a deficient number, since it is larger than the sum of its proper divisors (171231994).

194966630 is a wasteful number, since it uses less digits than its factorization.

194966630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847711.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 194966630 is about 13963.0451549796. The cubic root of 194966630 is about 579.8559194233.

The spelling of 194966630 in words is "one hundred ninety-four million, nine hundred sixty-six thousand, six hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 847681 1695362 4238405 8476810 19496663 38993326 97483315 194966630