Search a number
-
+
197228463 = 3371776833
BaseRepresentation
bin10111100000101…
…11011110101111
3111202010020120220
423300113132233
5400442302323
631323142423
74613262045
oct1360273657
9452106526
10197228463
11a136a733
1256074a13
1331b26943
141c2a0395
15124ad0e3
hexbc177af

197228463 has 8 divisors (see below), whose sum is σ = 270078768. Its totient is φ = 127931904.

The previous prime is 197228461. The next prime is 197228467. The reversal of 197228463 is 364822791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 197228463 - 21 = 197228461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197228461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888306 + ... + 888527.

It is an arithmetic number, because the mean of its divisors is an integer number (33759846).

Almost surely, 2197228463 is an apocalyptic number.

197228463 is a deficient number, since it is larger than the sum of its proper divisors (72850305).

197228463 is a wasteful number, since it uses less digits than its factorization.

197228463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776873.

The product of its digits is 145152, while the sum is 42.

The square root of 197228463 is about 14043.8051467542. The cubic root of 197228463 is about 582.0896314524.

The spelling of 197228463 in words is "one hundred ninety-seven million, two hundred twenty-eight thousand, four hundred sixty-three".

Divisors: 1 3 37 111 1776833 5330499 65742821 197228463