Search a number
-
+
225941971 is a prime number
BaseRepresentation
bin11010111011110…
…01100111010011
3120202011001010011
431131321213103
5430320120341
634230415351
75412321643
oct1535714723
9522131104
10225941971
111065a1602
1263801557
1337a6b198
1422016523
1514c80b81
hexd7799d3

225941971 has 2 divisors, whose sum is σ = 225941972. Its totient is φ = 225941970.

The previous prime is 225941959. The next prime is 225941983. The reversal of 225941971 is 179149522.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (225941959) and next prime (225941983).

It is a cyclic number.

It is not a de Polignac number, because 225941971 - 27 = 225941843 is a prime.

It is not a weakly prime, because it can be changed into another prime (225941941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112970985 + 112970986.

It is an arithmetic number, because the mean of its divisors is an integer number (112970986).

Almost surely, 2225941971 is an apocalyptic number.

225941971 is a deficient number, since it is larger than the sum of its proper divisors (1).

225941971 is an equidigital number, since it uses as much as digits as its factorization.

225941971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 40.

The square root of 225941971 is about 15031.3662386358. The cubic root of 225941971 is about 609.0677967704.

The spelling of 225941971 in words is "two hundred twenty-five million, nine hundred forty-one thousand, nine hundred seventy-one".