Search a number
-
+
197471164 = 22117163211
BaseRepresentation
bin10111100010100…
…10101110111100
3111202120120111211
423301102232330
5401023034124
631332254204
74615322452
oct1361225674
9452516454
10197471164
11a1516010
1256171364
1331bb0257
141c3249d2
1512509e94
hexbc52bbc

197471164 has 24 divisors (see below), whose sum is σ = 382306176. Its totient is φ = 88494000.

The previous prime is 197471149. The next prime is 197471173. The reversal of 197471164 is 461174791.

It is a super-2 number, since 2×1974711642 = 77989721223029792, which contains 22 as substring.

It is a congruent number.

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, 28482 + ... + 34729.

It is an arithmetic number, because the mean of its divisors is an integer number (15929424).

Almost surely, 2197471164 is an apocalyptic number.

It is an amenable number.

197471164 is a deficient number, since it is larger than the sum of its proper divisors (184835012).

197471164 is a wasteful number, since it uses less digits than its factorization.

197471164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63297 (or 63295 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 197471164 is about 14052.4433462654. The cubic root of 197471164 is about 582.3282985369.

The spelling of 197471164 in words is "one hundred ninety-seven million, four hundred seventy-one thousand, one hundred sixty-four".

Divisors: 1 2 4 11 22 44 71 142 284 781 1562 3124 63211 126422 252844 695321 1390642 2781284 4487981 8975962 17951924 49367791 98735582 197471164