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242400041 = 13158311779
BaseRepresentation
bin11100111001010…
…11101100101001
3121220010012100022
432130223230221
5444023300131
640015250225
76002236442
oct1634535451
9556105308
10242400041
11114912814
1269219975
133b2b13a0
142429c2c9
151643237b
hexe72bb29

242400041 has 8 divisors (see below), whose sum is σ = 261233280. Its totient is φ = 223593552.

The previous prime is 242400023. The next prime is 242400049. The reversal of 242400041 is 140004242.

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

It is a de Polignac number, because none of the positive numbers 2k-242400041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242399992 and 242400019.

It is not an unprimeable number, because it can be changed into a prime (242400049) 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, 14690 + ... + 26468.

It is an arithmetic number, because the mean of its divisors is an integer number (32654160).

Almost surely, 2242400041 is an apocalyptic number.

It is an amenable number.

242400041 is a deficient number, since it is larger than the sum of its proper divisors (18833239).

242400041 is a wasteful number, since it uses less digits than its factorization.

242400041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13375.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 242400041 is about 15569.2016815250. The cubic root of 242400041 is about 623.5111578279.

Adding to 242400041 its reverse (140004242), we get a palindrome (382404283).

The spelling of 242400041 in words is "two hundred forty-two million, four hundred thousand, forty-one".

Divisors: 1 13 1583 11779 20579 153127 18646157 242400041