Search a number
-
+
242908353 = 32109247613
BaseRepresentation
bin11100111101001…
…11110011000001
3121221002000121200
432132213303001
5444141031403
640034211413
76006454422
oct1636476301
9557060550
10242908353
1111512a706
1269423b69
133b42b86c
1424391649
15164d2ca3
hexe7a7cc1

242908353 has 12 divisors (see below), whose sum is σ = 354088020. Its totient is φ = 160452576.

The previous prime is 242908349. The next prime is 242908357. The reversal of 242908353 is 353809242.

It is an interprime number because it is at equal distance from previous prime (242908349) and next prime (242908357).

It can be written as a sum of positive squares in 2 ways, for example, as 120297024 + 122611329 = 10968^2 + 11073^2 .

It is not a de Polignac number, because 242908353 - 22 = 242908349 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242908357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122826 + ... + 124787.

It is an arithmetic number, because the mean of its divisors is an integer number (29507335).

Almost surely, 2242908353 is an apocalyptic number.

It is an amenable number.

242908353 is a deficient number, since it is larger than the sum of its proper divisors (111179667).

242908353 is a wasteful number, since it uses less digits than its factorization.

242908353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247728 (or 247725 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 242908353 is about 15585.5174120079. The cubic root of 242908353 is about 623.9466870749.

The spelling of 242908353 in words is "two hundred forty-two million, nine hundred eight thousand, three hundred fifty-three".

Divisors: 1 3 9 109 327 981 247613 742839 2228517 26989817 80969451 242908353