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197242560 = 2633537617
BaseRepresentation
bin10111100000110…
…10111011000000
3111202010221221000
423300122323000
5400443230220
631323332000
74613351124
oct1360327300
9452127830
10197242560
11a137a289
1256081000
1331b30198
141c2a5584
15124b2390
hexbc1aec0

197242560 has 224 divisors, whose sum is σ = 715792320. Its totient is φ = 51093504.

The previous prime is 197242547. The next prime is 197242561. The reversal of 197242560 is 65242791.

197242560 is a `hidden beast` number, since 1 + 97 + 2 + 4 + 2 + 560 = 666.

197242560 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (197242561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319372 + ... + 319988.

Almost surely, 2197242560 is an apocalyptic number.

197242560 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 197242560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357896160).

197242560 is an abundant number, since it is smaller than the sum of its proper divisors (518549760).

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

197242560 is a wasteful number, since it uses less digits than its factorization.

197242560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 197242560 is about 14044.3070316766. The cubic root of 197242560 is about 582.1034995015.

The spelling of 197242560 in words is "one hundred ninety-seven million, two hundred forty-two thousand, five hundred sixty".