Search a number
-
+
197028564 = 223112914543
BaseRepresentation
bin10111011111001…
…10101011010100
3111201202002101020
423233212223110
5400414403224
631315001140
74611500205
oct1357465324
9451662336
10197028564
11a1243527
1255b991b0
1331a86965
141c24b5ac
151246dc79
hexbbe6ad4

197028564 has 24 divisors (see below), whose sum is σ = 460172160. Its totient is φ = 65613504.

The previous prime is 197028551. The next prime is 197028569. The reversal of 197028564 is 465820791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197028569) by changing a digit.

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, 6277 + ... + 20819.

It is an arithmetic number, because the mean of its divisors is an integer number (19173840).

Almost surely, 2197028564 is an apocalyptic number.

It is an amenable number.

197028564 is an abundant number, since it is smaller than the sum of its proper divisors (263143596).

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

197028564 is a wasteful number, since it uses less digits than its factorization.

197028564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15679 (or 15677 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 197028564 is about 14036.6863611039. The cubic root of 197028564 is about 581.8929078708.

The spelling of 197028564 in words is "one hundred ninety-seven million, twenty-eight thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 12 1129 2258 3387 4516 6774 13548 14543 29086 43629 58172 87258 174516 16419047 32838094 49257141 65676188 98514282 197028564