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2401430243 = 21371123739
BaseRepresentation
bin1000111100100010…
…1110101011100011
320012100201021222212
42033020232223203
514404231231433
61034142552335
7113336551232
oct21710565343
96170637885
102401430243
1110225aa0a3
125702986ab
132c3699954
1418ad12b19
15e0c59d48
hex8f22eae3

2401430243 has 4 divisors (see below), whose sum is σ = 2402556120. Its totient is φ = 2400304368.

The previous prime is 2401430219. The next prime is 2401430257. The reversal of 2401430243 is 3420341042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2401430243 - 220 = 2400381667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2401420243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559733 + ... + 564006.

It is an arithmetic number, because the mean of its divisors is an integer number (600639030).

Almost surely, 22401430243 is an apocalyptic number.

2401430243 is a deficient number, since it is larger than the sum of its proper divisors (1125877).

2401430243 is a wasteful number, since it uses less digits than its factorization.

2401430243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125876.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2401430243 is about 49004.3900380364. The cubic root of 2401430243 is about 1339.1318061813.

Adding to 2401430243 its reverse (3420341042), we get a palindrome (5821771285).

The spelling of 2401430243 in words is "two billion, four hundred one million, four hundred thirty thousand, two hundred forty-three".

Divisors: 1 2137 1123739 2401430243