Search a number
-
+
229150155 = 351310910781
BaseRepresentation
bin11011010100010…
…00110111001011
3120222012000220210
431222020313023
5432130301110
634423252203
75451513153
oct1552106713
9528160823
10229150155
111083929a3
12648aa063
1338622510
142260d763
15151b6520
hexda88dcb

229150155 has 32 divisors (see below), whose sum is σ = 398502720. Its totient is φ = 111767040.

The previous prime is 229150151. The next prime is 229150193. The reversal of 229150155 is 551051922.

It is not a de Polignac number, because 229150155 - 22 = 229150151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229150151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15865 + ... + 26645.

It is an arithmetic number, because the mean of its divisors is an integer number (12453210).

Almost surely, 2229150155 is an apocalyptic number.

229150155 is a deficient number, since it is larger than the sum of its proper divisors (169352565).

229150155 is a wasteful number, since it uses less digits than its factorization.

229150155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 229150155 is about 15137.7063982626. The cubic root of 229150155 is about 611.9370075923.

The spelling of 229150155 in words is "two hundred twenty-nine million, one hundred fifty thousand, one hundred fifty-five".

Divisors: 1 3 5 13 15 39 65 109 195 327 545 1417 1635 4251 7085 10781 21255 32343 53905 140153 161715 420459 700765 1175129 2102295 3525387 5875645 15276677 17626935 45830031 76383385 229150155