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242012523 = 3372180293
BaseRepresentation
bin11100110110011…
…01000101101011
3121212101111202210
432123031011223
5443423400043
640003100203
75666033604
oct1633150553
9555344683
10242012523
11114678655
1269071663
133b1a6b9c
14241dadab
15163a7633
hexe6cd16b

242012523 has 8 divisors (see below), whose sum is σ = 331404688. Its totient is φ = 156981024.

The previous prime is 242012503. The next prime is 242012579. The reversal of 242012523 is 325210242.

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

It is not a de Polignac number, because 242012523 - 29 = 242012011 is a prime.

It is a super-2 number, since 2×2420125232 = 117140122577651058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242012523.

It is not an unprimeable number, because it can be changed into a prime (242012503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090036 + ... + 1090257.

It is an arithmetic number, because the mean of its divisors is an integer number (41425586).

Almost surely, 2242012523 is an apocalyptic number.

242012523 is a deficient number, since it is larger than the sum of its proper divisors (89392165).

242012523 is a wasteful number, since it uses less digits than its factorization.

242012523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180333.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 242012523 is about 15556.7516853616. The cubic root of 242012523 is about 623.1787174698.

Adding to 242012523 its reverse (325210242), we get a palindrome (567222765).

The spelling of 242012523 in words is "two hundred forty-two million, twelve thousand, five hundred twenty-three".

Divisors: 1 3 37 111 2180293 6540879 80670841 242012523