Search a number
-
+
270746381 is a prime number
BaseRepresentation
bin10000001000110…
…100001100001101
3200212110100012202
4100020310030031
51023302341011
642511011245
76465210023
oct2010641415
9625410182
10270746381
11129913844
1276809b25
1344127779
1427d5a713
1518b8123b
hex1023430d

270746381 has 2 divisors, whose sum is σ = 270746382. Its totient is φ = 270746380.

The previous prime is 270746341. The next prime is 270746429. The reversal of 270746381 is 183647072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217090756 + 53655625 = 14734^2 + 7325^2 .

It is a cyclic number.

It is not a de Polignac number, because 270746381 - 218 = 270484237 is a prime.

It is a super-2 number, since 2×2707463812 = 146607205649194322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270746321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135373190 + 135373191.

It is an arithmetic number, because the mean of its divisors is an integer number (135373191).

Almost surely, 2270746381 is an apocalyptic number.

It is an amenable number.

270746381 is a deficient number, since it is larger than the sum of its proper divisors (1).

270746381 is an equidigital number, since it uses as much as digits as its factorization.

270746381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 270746381 is about 16454.3727015040. The cubic root of 270746381 is about 646.9254254016.

The spelling of 270746381 in words is "two hundred seventy million, seven hundred forty-six thousand, three hundred eighty-one".