Search a number
-
+
481379449 is a prime number
BaseRepresentation
bin11100101100010…
…100010001111001
31020112210121110111
4130230110101321
51441213120244
6115433344321
714633441425
oct3454242171
91215717414
10481379449
112277a9561
121152680a1
1378965815
1447d09b85
152c3dae34
hex1cb14479

481379449 has 2 divisors, whose sum is σ = 481379450. Its totient is φ = 481379448.

The previous prime is 481379419. The next prime is 481379467. The reversal of 481379449 is 944973184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 468419449 + 12960000 = 21643^2 + 3600^2 .

It is a cyclic number.

It is not a de Polignac number, because 481379449 - 25 = 481379417 is a prime.

It is not a weakly prime, because it can be changed into another prime (481379419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240689724 + 240689725.

It is an arithmetic number, because the mean of its divisors is an integer number (240689725).

Almost surely, 2481379449 is an apocalyptic number.

It is an amenable number.

481379449 is a deficient number, since it is larger than the sum of its proper divisors (1).

481379449 is an equidigital number, since it uses as much as digits as its factorization.

481379449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 481379449 is about 21940.3611866350. The cubic root of 481379449 is about 783.7228609029.

The spelling of 481379449 in words is "four hundred eighty-one million, three hundred seventy-nine thousand, four hundred forty-nine".