Search a number
-
+
355090489 = 1340216793
BaseRepresentation
bin10101001010100…
…100000000111001
3220202011110120121
4111022210000321
51211400343424
655122453241
711541135145
oct2512440071
9822143517
10355090489
11172491816
129ab04221
1358749220
1435234225
1521291ee4
hex152a4039

355090489 has 8 divisors (see below), whose sum is σ = 382556552. Its totient is φ = 327646080.

The previous prime is 355090451. The next prime is 355090493. The reversal of 355090489 is 984090553.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31270464 + 323820025 = 5592^2 + 17995^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 355090489 - 215 = 355057721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355090429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48877 + ... + 55669.

It is an arithmetic number, because the mean of its divisors is an integer number (47819569).

Almost surely, 2355090489 is an apocalyptic number.

It is an amenable number.

355090489 is a deficient number, since it is larger than the sum of its proper divisors (27466063).

355090489 is a wasteful number, since it uses less digits than its factorization.

355090489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10827.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 355090489 is about 18843.8448571410. The cubic root of 355090489 is about 708.1300320021.

The spelling of 355090489 in words is "three hundred fifty-five million, ninety thousand, four hundred eighty-nine".

Divisors: 1 13 4021 6793 52273 88309 27314653 355090489