Search a number
-
+
242989463 = 2910381349
BaseRepresentation
bin11100111101110…
…11100110010111
3121221020010212202
432132323212113
5444201130323
640040035115
76010243043
oct1636734627
9557203782
10242989463
11115185642
1269462a9b
133b459762
14243b3023
15164ebd28
hexe7bb997

242989463 has 8 divisors (see below), whose sum is σ = 253812000. Its totient is φ = 232329888.

The previous prime is 242989451. The next prime is 242989507. The reversal of 242989463 is 364989242.

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 242989463 - 24 = 242989447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242989433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37688 + ... + 43661.

It is an arithmetic number, because the mean of its divisors is an integer number (31726500).

Almost surely, 2242989463 is an apocalyptic number.

242989463 is a deficient number, since it is larger than the sum of its proper divisors (10822537).

242989463 is a wasteful number, since it uses less digits than its factorization.

242989463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81481.

The product of its digits is 746496, while the sum is 47.

The square root of 242989463 is about 15588.1192900234. The cubic root of 242989463 is about 624.0161270966.

The spelling of 242989463 in words is "two hundred forty-two million, nine hundred eighty-nine thousand, four hundred sixty-three".

Divisors: 1 29 103 2987 81349 2359121 8378947 242989463