Search a number
-
+
229000191 = 3719735527
BaseRepresentation
bin11011010011001…
…00001111111111
3120221220102012120
431221210033333
5432111001231
634420134023
75450320020
oct1551441777
9527812176
10229000191
111082a0262
1264837313
133859c194
14225b0c47
1515186d96
hexda643ff

229000191 has 16 divisors (see below), whose sum is σ = 349192704. Its totient is φ = 130767264.

The previous prime is 229000159. The next prime is 229000201. The reversal of 229000191 is 191000922.

It is not a de Polignac number, because 229000191 - 25 = 229000159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229000151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38670 + ... + 44196.

It is an arithmetic number, because the mean of its divisors is an integer number (21824544).

Almost surely, 2229000191 is an apocalyptic number.

229000191 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

229000191 is a deficient number, since it is larger than the sum of its proper divisors (120192513).

229000191 is a wasteful number, since it uses less digits than its factorization.

229000191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7510.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 229000191 is about 15132.7522612379. The cubic root of 229000191 is about 611.8034873574.

The spelling of 229000191 in words is "two hundred twenty-nine million, one hundred ninety-one", and thus it is an aban number.

Divisors: 1 3 7 21 1973 5527 5919 13811 16581 38689 41433 116067 10904771 32714313 76333397 229000191