Search a number
-
+
197051436 = 223222724113
BaseRepresentation
bin10111011111011…
…00010000101100
3111201210020202100
423233230100230
5400421121221
631315255100
74611623661
oct1357542054
9451706670
10197051436
11a125972a
1255baa490
1331a941aa
141c255a68
1512475926
hexbbec42c

197051436 has 36 divisors (see below), whose sum is σ = 500317272. Its totient is φ = 65391744.

The previous prime is 197051383. The next prime is 197051441. The reversal of 197051436 is 634150791.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 197051436.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3885 + ... + 20228.

It is an arithmetic number, because the mean of its divisors is an integer number (13897702).

Almost surely, 2197051436 is an apocalyptic number.

It is an amenable number.

197051436 is an abundant number, since it is smaller than the sum of its proper divisors (303265836).

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

197051436 is a wasteful number, since it uses less digits than its factorization.

197051436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24350 (or 24345 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 197051436 is about 14037.5010596616. The cubic root of 197051436 is about 581.9154232857.

The spelling of 197051436 in words is "one hundred ninety-seven million, fifty-one thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 227 454 681 908 1362 2043 2724 4086 8172 24113 48226 72339 96452 144678 217017 289356 434034 868068 5473651 10947302 16420953 21894604 32841906 49262859 65683812 98525718 197051436