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196868910 = 23573130241
BaseRepresentation
bin10111011101111…
…11101100101110
3111201102222101010
423232333230232
5400344301120
631311330050
74610233560
oct1356775456
9451388333
10196868910
11a1144587
1255b20926
1331a2c0a4
141c209330
151243b7e0
hexbbbfb2e

196868910 has 64 divisors (see below), whose sum is σ = 557420544. Its totient is φ = 43545600.

The previous prime is 196868887. The next prime is 196868911. The reversal of 196868910 is 19868691.

It is a self number, because there is not a number n which added to its sum of digits gives 196868910.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196868911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8611 + ... + 21630.

It is an arithmetic number, because the mean of its divisors is an integer number (8709696).

Almost surely, 2196868910 is an apocalyptic number.

196868910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196868910 is an abundant number, since it is smaller than the sum of its proper divisors (360551634).

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

196868910 is a wasteful number, since it uses less digits than its factorization.

196868910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30289.

The product of its (nonzero) digits is 186624, while the sum is 48.

The square root of 196868910 is about 14030.9981825956. The cubic root of 196868910 is about 581.7356943976.

The spelling of 196868910 in words is "one hundred ninety-six million, eight hundred sixty-eight thousand, nine hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 31 35 42 62 70 93 105 155 186 210 217 310 434 465 651 930 1085 1302 2170 3255 6510 30241 60482 90723 151205 181446 211687 302410 423374 453615 635061 907230 937471 1058435 1270122 1874942 2116870 2812413 3175305 4687355 5624826 6350610 6562297 9374710 13124594 14062065 19686891 28124130 32811485 39373782 65622970 98434455 196868910