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242523242 = 2139327817
BaseRepresentation
bin11100111010010…
…01110001101010
3121220100110100022
432131021301222
5444041220432
640022040442
76003261563
oct1635116152
9556313308
10242523242
11114997335
1269279122
133b3254a0
14242d116a
1516458b12
hexe749c6a

242523242 has 8 divisors (see below), whose sum is σ = 391768356. Its totient is φ = 111933792.

The previous prime is 242523223. The next prime is 242523263. The reversal of 242523242 is 242325242.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 226833721 + 15689521 = 15061^2 + 3961^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 9327817 = 242523242 / (2 + 4 + 2 + 5 + 2 + 3 + 2 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4663883 + ... + 4663934.

Almost surely, 2242523242 is an apocalyptic number.

242523242 is a deficient number, since it is larger than the sum of its proper divisors (149245114).

242523242 is a wasteful number, since it uses less digits than its factorization.

242523242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9327832.

The product of its digits is 7680, while the sum is 26.

The square root of 242523242 is about 15573.1577401630. The cubic root of 242523242 is about 623.6167741296.

Adding to 242523242 its reverse (242325242), we get a palindrome (484848484).

The spelling of 242523242 in words is "two hundred forty-two million, five hundred twenty-three thousand, two hundred forty-two".

Divisors: 1 2 13 26 9327817 18655634 121261621 242523242