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197324608 = 26134872
BaseRepresentation
bin10111100001011…
…10111101000000
3111202022010110211
423300232331000
5401003341413
631325203504
74614142255
oct1360567500
9452263424
10197324608
11a1425998
1256100594
1331b5b630
141c2c742c
15124cb83d
hexbc2ef40

197324608 has 42 divisors (see below), whose sum is σ = 422554146. Its totient is φ = 90885888.

The previous prime is 197324591. The next prime is 197324623. The reversal of 197324608 is 806423791.

197324608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 136609344 + 60715264 = 11688^2 + 7792^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 404941 + ... + 405427.

It is an arithmetic number, because the mean of its divisors is an integer number (10060813).

Almost surely, 2197324608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197324608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211277073).

197324608 is an abundant number, since it is smaller than the sum of its proper divisors (225229538).

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

197324608 is an frugal number, since it uses more digits than its factorization.

197324608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 197324608 is about 14047.2277692077. The cubic root of 197324608 is about 582.1842018393.

The spelling of 197324608 in words is "one hundred ninety-seven million, three hundred twenty-four thousand, six hundred eight".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 487 832 974 1948 3896 6331 7792 12662 15584 25324 31168 50648 101296 202592 237169 405184 474338 948676 1897352 3083197 3794704 6166394 7589408 12332788 15178816 24665576 49331152 98662304 197324608