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293380889 is a prime number
BaseRepresentation
bin10001011111001…
…010001100011001
3202110001021220212
4101133022030121
51100101142024
645040100505
710161460604
oct2137121431
9673037825
10293380889
1114067344a
1282304735
1348a21079
142ad6d33b
151ab52a0e
hex117ca319

293380889 has 2 divisors, whose sum is σ = 293380890. Its totient is φ = 293380888.

The previous prime is 293380819. The next prime is 293380897. The reversal of 293380889 is 988083392.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292683664 + 697225 = 17108^2 + 835^2 .

It is a cyclic number.

It is not a de Polignac number, because 293380889 - 228 = 24945433 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (293380819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 146690444 + 146690445.

It is an arithmetic number, because the mean of its divisors is an integer number (146690445).

Almost surely, 2293380889 is an apocalyptic number.

It is an amenable number.

293380889 is a deficient number, since it is larger than the sum of its proper divisors (1).

293380889 is an equidigital number, since it uses as much as digits as its factorization.

293380889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 293380889 is about 17128.3650416495. The cubic root of 293380889 is about 664.4729001958.

The spelling of 293380889 in words is "two hundred ninety-three million, three hundred eighty thousand, eight hundred eighty-nine".