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197497344 = 2931111689
BaseRepresentation
bin10111100010110…
…01001000000000
3111202121220102110
423301121020000
5401024403334
631333015320
74615462002
oct1361311000
9452556373
10197497344
11a1533750
1256184540
1331bbc145
141c330372
1512512ae9
hexbc59200

197497344 has 80 divisors (see below), whose sum is σ = 574025760. Its totient is φ = 59842560.

The previous prime is 197497327. The next prime is 197497357. The reversal of 197497344 is 443794791.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 197497293 and 197497302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11052 + ... + 22740.

It is an arithmetic number, because the mean of its divisors is an integer number (7175322).

Almost surely, 2197497344 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 197497344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287012880).

197497344 is an abundant number, since it is smaller than the sum of its proper divisors (376528416).

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

197497344 is a wasteful number, since it uses less digits than its factorization.

197497344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11721 (or 11705 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 197497344 is about 14053.3748259982. The cubic root of 197497344 is about 582.3540317138.

The spelling of 197497344 in words is "one hundred ninety-seven million, four hundred ninety-seven thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 352 384 512 528 704 768 1056 1408 1536 2112 2816 4224 5632 8448 11689 16896 23378 35067 46756 70134 93512 128579 140268 187024 257158 280536 374048 385737 514316 561072 748096 771474 1028632 1122144 1496192 1542948 2057264 2244288 2992384 3085896 4114528 4488576 5984768 6171792 8229056 8977152 12343584 16458112 17954304 24687168 32916224 49374336 65832448 98748672 197497344