Search a number
-
+
189067693 = 1711121629
BaseRepresentation
bin10110100010011…
…11000110101101
3111011202122010011
423101033012231
5341400131233
630432213221
74454022523
oct1321170655
9434678104
10189067693
11977a63a1
125339a211
133022a299
141b178313
15118ea0cd
hexb44f1ad

189067693 has 4 divisors (see below), whose sum is σ = 200189340. Its totient is φ = 177946048.

The previous prime is 189067691. The next prime is 189067717. The reversal of 189067693 is 396760981.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 109893289 + 79174404 = 10483^2 + 8898^2 .

It is a cyclic number.

It is not a de Polignac number, because 189067693 - 21 = 189067691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189067691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5560798 + ... + 5560831.

It is an arithmetic number, because the mean of its divisors is an integer number (50047335).

Almost surely, 2189067693 is an apocalyptic number.

It is an amenable number.

189067693 is a deficient number, since it is larger than the sum of its proper divisors (11121647).

189067693 is a wasteful number, since it uses less digits than its factorization.

189067693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11121646.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 189067693 is about 13750.1888350670. The cubic root of 189067693 is about 573.9478609660.

The spelling of 189067693 in words is "one hundred eighty-nine million, sixty-seven thousand, six hundred ninety-three".

Divisors: 1 17 11121629 189067693