Search a number
-
+
49454389 is a prime number
BaseRepresentation
bin1011110010100…
…1110100110101
310110001112200001
42330221310311
5100130020024
64523551301
71140232615
oct274516465
9113045601
1049454389
1125a088a6
121468b531
13a326c6a
1467d4a45
15451d244
hex2f29d35

49454389 has 2 divisors, whose sum is σ = 49454390. Its totient is φ = 49454388.

The previous prime is 49454371. The next prime is 49454407. The reversal of 49454389 is 98345494.

It is a balanced prime because it is at equal distance from previous prime (49454371) and next prime (49454407).

It can be written as a sum of positive squares in only one way, i.e., 49420900 + 33489 = 7030^2 + 183^2 .

It is a cyclic number.

It is not a de Polignac number, because 49454389 - 27 = 49454261 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49454329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24727194 + 24727195.

It is an arithmetic number, because the mean of its divisors is an integer number (24727195).

Almost surely, 249454389 is an apocalyptic number.

It is an amenable number.

49454389 is a deficient number, since it is larger than the sum of its proper divisors (1).

49454389 is an equidigital number, since it uses as much as digits as its factorization.

49454389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The square root of 49454389 is about 7032.3814600745. The cubic root of 49454389 is about 367.0582137831.

The spelling of 49454389 in words is "forty-nine million, four hundred fifty-four thousand, three hundred eighty-nine".