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196842660 = 2235717191451
BaseRepresentation
bin10111011101110…
…01010010100100
3111201101122100220
423232321102210
5400342431120
631311004340
74610064210
oct1356712244
9451348326
10196842660
11a1126893
1255b096b0
1331a20161
141c1dd940
1512433b40
hexbbb94a4

196842660 has 192 divisors, whose sum is σ = 702535680. Its totient is φ = 40089600.

The previous prime is 196842647. The next prime is 196842661. The reversal of 196842660 is 66248691.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (196842661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 134935 + ... + 136385.

It is an arithmetic number, because the mean of its divisors is an integer number (3659040).

Almost surely, 2196842660 is an apocalyptic number.

196842660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196842660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351267840).

196842660 is an abundant number, since it is smaller than the sum of its proper divisors (505693020).

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

196842660 is a wasteful number, since it uses less digits than its factorization.

196842660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 196842660 is about 14030.0627225968. The cubic root of 196842660 is about 581.7098375287.

The spelling of 196842660 in words is "one hundred ninety-six million, eight hundred forty-two thousand, six hundred sixty".