Search a number
-
+
190609197 = 3193344021
BaseRepresentation
bin10110101110001…
…11011100101101
3111021122221122220
423113013130231
5342243443242
630525225553
74503102642
oct1327073455
9437587586
10190609197
1198659569
1253a022b9
1330649b0c
141b459dc9
1511b01bec
hexb5c772d

190609197 has 8 divisors (see below), whose sum is σ = 267521760. Its totient is φ = 120384720.

The previous prime is 190609187. The next prime is 190609207. The reversal of 190609197 is 791906091.

It is an interprime number because it is at equal distance from previous prime (190609187) and next prime (190609207).

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

It is a de Polignac number, because none of the positive numbers 2k-190609197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190609187) 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, 1671954 + ... + 1672067.

It is an arithmetic number, because the mean of its divisors is an integer number (33440220).

Almost surely, 2190609197 is an apocalyptic number.

It is an amenable number.

190609197 is a deficient number, since it is larger than the sum of its proper divisors (76912563).

190609197 is a wasteful number, since it uses less digits than its factorization.

190609197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344043.

The product of its (nonzero) digits is 30618, while the sum is 42.

The square root of 190609197 is about 13806.1289650648. The cubic root of 190609197 is about 575.5034753437.

The spelling of 190609197 in words is "one hundred ninety million, six hundred nine thousand, one hundred ninety-seven".

Divisors: 1 3 19 57 3344021 10032063 63536399 190609197