Search a number
-
+
248157293 is a prime number
BaseRepresentation
bin11101100101010…
…01010001101101
3122021221200210212
432302221101231
51002012013133
640342512205
76102205436
oct1662512155
9567850725
10248157293
1111809527a
126b135665
133c548a47
1424d5a48d
1516bbd148
hexeca946d

248157293 has 2 divisors, whose sum is σ = 248157294. Its totient is φ = 248157292.

The previous prime is 248157223. The next prime is 248157317. The reversal of 248157293 is 392751842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196504324 + 51652969 = 14018^2 + 7187^2 .

It is a cyclic number.

It is not a de Polignac number, because 248157293 - 28 = 248157037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248157293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248157223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124078646 + 124078647.

It is an arithmetic number, because the mean of its divisors is an integer number (124078647).

Almost surely, 2248157293 is an apocalyptic number.

It is an amenable number.

248157293 is a deficient number, since it is larger than the sum of its proper divisors (1).

248157293 is an equidigital number, since it uses as much as digits as its factorization.

248157293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 248157293 is about 15753.0090141535. The cubic root of 248157293 is about 628.4089296073.

The spelling of 248157293 in words is "two hundred forty-eight million, one hundred fifty-seven thousand, two hundred ninety-three".