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24130242 = 2321778857
BaseRepresentation
bin101110000001…
…1001011000010
31200101221110200
41130003023002
522134131432
62221110030
7412050363
oct134031302
950357420
1024130242
1112691454
1280b8316
134ccb366
1432c1b6a
1521b9a7c
hex17032c2

24130242 has 24 divisors (see below), whose sum is σ = 55358316. Its totient is φ = 7570176.

The previous prime is 24130237. The next prime is 24130277. The reversal of 24130242 is 24203142.

It can be written as a sum of positive squares in 2 ways, for example, as 24117921 + 12321 = 4911^2 + 111^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39123 + ... + 39734.

Almost surely, 224130242 is an apocalyptic number.

24130242 is an abundant number, since it is smaller than the sum of its proper divisors (31228074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24130242 is a wasteful number, since it uses less digits than its factorization.

24130242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78882 (or 78879 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 24130242 is about 4912.2542686632. The cubic root of 24130242 is about 288.9707548940.

Adding to 24130242 its reverse (24203142), we get a palindrome (48333384).

Subtracting 24130242 from its reverse (24203142), we obtain a square (72900 = 2702).

The spelling of 24130242 in words is "twenty-four million, one hundred thirty thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 78857 157714 236571 473142 709713 1340569 1419426 2681138 4021707 8043414 12065121 24130242