Search a number
-
+
58673981 is a prime number
BaseRepresentation
bin1101111111010…
…0101100111101
311002101221120102
43133310230331
5110010031411
65453330445
71311502112
oct337645475
9132357512
1058673981
11301356a3
1217796a25
13c204542
147b14909
15523ed3b
hex37f4b3d

58673981 has 2 divisors, whose sum is σ = 58673982. Its totient is φ = 58673980.

The previous prime is 58673963. The next prime is 58674013. The reversal of 58673981 is 18937685.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47045881 + 11628100 = 6859^2 + 3410^2 .

It is a cyclic number.

It is not a de Polignac number, because 58673981 - 214 = 58657597 is a prime.

It is a super-2 number, since 2×586739812 = 6885272092776722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58673921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29336990 + 29336991.

It is an arithmetic number, because the mean of its divisors is an integer number (29336991).

Almost surely, 258673981 is an apocalyptic number.

It is an amenable number.

58673981 is a deficient number, since it is larger than the sum of its proper divisors (1).

58673981 is an equidigital number, since it uses as much as digits as its factorization.

58673981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 47.

The square root of 58673981 is about 7659.8943204198. The cubic root of 58673981 is about 388.5812598113.

The spelling of 58673981 in words is "fifty-eight million, six hundred seventy-three thousand, nine hundred eighty-one".