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197164928 = 271012151
BaseRepresentation
bin10111100000001…
…11111110000000
3111202000000102202
423300013332000
5400433234203
631321532332
74612605602
oct1360077600
9452000382
10197164928
11a1326a24
12560440a8
1331b03a4c
141c285172
1512499388
hexbc07f80

197164928 has 48 divisors (see below), whose sum is σ = 399344280. Its totient is φ = 96960000.

The previous prime is 197164927. The next prime is 197164931. The reversal of 197164928 is 829461791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197164921) 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 5 ways as a sum of consecutive naturals, for example, 1305653 + ... + 1305803.

Almost surely, 2197164928 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 197164928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199672140).

197164928 is an abundant number, since it is smaller than the sum of its proper divisors (202179352).

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

197164928 is an equidigital number, since it uses as much as digits as its factorization.

197164928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 254 counting only the distinct ones).

The product of its digits is 217728, while the sum is 47.

The square root of 197164928 is about 14041.5429351621. The cubic root of 197164928 is about 582.0271201291.

The spelling of 197164928 in words is "one hundred ninety-seven million, one hundred sixty-four thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 32 64 101 128 151 202 302 404 604 808 1208 1616 2416 3232 4832 6464 9664 10201 12928 15251 19328 20402 30502 40804 61004 81608 122008 163216 244016 326432 488032 652864 976064 1305728 1540351 1952128 3080702 6161404 12322808 24645616 49291232 98582464 197164928