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293420129 is a prime number
BaseRepresentation
bin10001011111010…
…011110001100001
3202110010021202012
4101133103301201
51100103421004
645041002305
710162013162
oct2137236141
9673107665
10293420129
1114069a982
1282323395
1348a35ba2
142ad7d769
151ab5e46e
hex117d3c61

293420129 has 2 divisors, whose sum is σ = 293420130. Its totient is φ = 293420128.

The previous prime is 293420093. The next prime is 293420143. The reversal of 293420129 is 921024392.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215062225 + 78357904 = 14665^2 + 8852^2 .

It is a cyclic number.

It is not a de Polignac number, because 293420129 - 220 = 292371553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 293420095 and 293420104.

It is not a weakly prime, because it can be changed into another prime (293420159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 146710064 + 146710065.

It is an arithmetic number, because the mean of its divisors is an integer number (146710065).

Almost surely, 2293420129 is an apocalyptic number.

It is an amenable number.

293420129 is a deficient number, since it is larger than the sum of its proper divisors (1).

293420129 is an equidigital number, since it uses as much as digits as its factorization.

293420129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 293420129 is about 17129.5104716977. The cubic root of 293420129 is about 664.5025235230.

The spelling of 293420129 in words is "two hundred ninety-three million, four hundred twenty thousand, one hundred twenty-nine".