Search a number
-
+
197912346 = 23173190667
BaseRepresentation
bin10111100101111…
…10011100011010
3111210101222200220
423302332130122
5401131143341
631345540510
74622140632
oct1362763432
9453358626
10197912346
11a1797525
1256344736
1332005cc8
141c3db6c2
1512595a66
hexbcbe71a

197912346 has 16 divisors (see below), whose sum is σ = 398114784. Its totient is φ = 65589104.

The previous prime is 197912321. The next prime is 197912353. The reversal of 197912346 is 643219791.

It is a junction number, because it is equal to n+sod(n) for n = 197912298 and 197912307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94296 + ... + 96371.

It is an arithmetic number, because the mean of its divisors is an integer number (24882174).

Almost surely, 2197912346 is an apocalyptic number.

197912346 is an abundant number, since it is smaller than the sum of its proper divisors (200202438).

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

197912346 is a wasteful number, since it uses less digits than its factorization.

197912346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190845.

The product of its digits is 81648, while the sum is 42.

The square root of 197912346 is about 14068.1322854173. The cubic root of 197912346 is about 582.7616473313.

The spelling of 197912346 in words is "one hundred ninety-seven million, nine hundred twelve thousand, three hundred forty-six".

Divisors: 1 2 3 6 173 346 519 1038 190667 381334 572001 1144002 32985391 65970782 98956173 197912346