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197894034 = 232131376173
BaseRepresentation
bin10111100101110…
…01111110010010
3111210101001120200
423302321332102
5401130102114
631345320030
74622033352
oct1362717622
9453331520
10197894034
11a1784798
1256336016
1331cca880
141c3d4b62
1512590409
hexbcb9f92

197894034 has 48 divisors (see below), whose sum is σ = 465198552. Its totient is φ = 60436224.

The previous prime is 197893981. The next prime is 197894069. The reversal of 197894034 is 430498791.

It can be written as a sum of positive squares in 4 ways, for example, as 78057225 + 119836809 = 8835^2 + 10947^2 .

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 23 ways as a sum of consecutive naturals, for example, 28972 + ... + 35144.

Almost surely, 2197894034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197894034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232599276).

197894034 is an abundant number, since it is smaller than the sum of its proper divisors (267304518).

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

197894034 is a wasteful number, since it uses less digits than its factorization.

197894034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6331 (or 6328 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 197894034 is about 14067.4814376988. The cubic root of 197894034 is about 582.7436732792.

The spelling of 197894034 in words is "one hundred ninety-seven million, eight hundred ninety-four thousand, thirty-four".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 137 234 274 411 822 1233 1781 2466 3562 5343 6173 10686 12346 16029 18519 32058 37038 55557 80249 111114 160498 240747 481494 722241 845701 1444482 1691402 2537103 5074206 7611309 10994113 15222618 21988226 32982339 65964678 98947017 197894034