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234151189 is a prime number
BaseRepresentation
bin11011111010011…
…01110100010101
3121022121010001021
431331031310111
5434420314224
635122401141
75542152346
oct1575156425
9538533037
10234151189
11110199288
12665001b1
13396838cc
14231520cd
15158531e4
hexdf4dd15

234151189 has 2 divisors, whose sum is σ = 234151190. Its totient is φ = 234151188.

The previous prime is 234151171. The next prime is 234151237. The reversal of 234151189 is 981151432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184688100 + 49463089 = 13590^2 + 7033^2 .

It is a cyclic number.

It is not a de Polignac number, because 234151189 - 25 = 234151157 is a prime.

It is a super-2 number, since 2×2341511892 = 109653558620227442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234151289) 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 as a sum of consecutive naturals, namely, 117075594 + 117075595.

It is an arithmetic number, because the mean of its divisors is an integer number (117075595).

Almost surely, 2234151189 is an apocalyptic number.

It is an amenable number.

234151189 is a deficient number, since it is larger than the sum of its proper divisors (1).

234151189 is an equidigital number, since it uses as much as digits as its factorization.

234151189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 34.

The square root of 234151189 is about 15301.9995098680. Note that the first 3 decimals coincide. The cubic root of 234151189 is about 616.3567017188.

The spelling of 234151189 in words is "two hundred thirty-four million, one hundred fifty-one thousand, one hundred eighty-nine".