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418642241 = 2663157207
BaseRepresentation
bin11000111100111…
…111100101000001
31002011202020012012
4120330333211001
51324133022431
6105312542305
713242254213
oct3074774501
91064666165
10418642241
111a5349126
12b8251995
136896aa04
143d8585b3
1526b4722b
hex18f3f941

418642241 has 4 divisors (see below), whose sum is σ = 418802112. Its totient is φ = 418482372.

The previous prime is 418642201. The next prime is 418642243. The reversal of 418642241 is 142246814.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 418642241 - 210 = 418641217 is a prime.

It is a super-2 number, since 2×4186422412 = 350522651899004162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 418642198 and 418642207.

It is not an unprimeable number, because it can be changed into a prime (418642243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75941 + ... + 81266.

It is an arithmetic number, because the mean of its divisors is an integer number (104700528).

Almost surely, 2418642241 is an apocalyptic number.

It is an amenable number.

418642241 is a deficient number, since it is larger than the sum of its proper divisors (159871).

418642241 is a wasteful number, since it uses less digits than its factorization.

418642241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159870.

The product of its digits is 12288, while the sum is 32.

The square root of 418642241 is about 20460.7487888396. The cubic root of 418642241 is about 748.0793767699.

The spelling of 418642241 in words is "four hundred eighteen million, six hundred forty-two thousand, two hundred forty-one".

Divisors: 1 2663 157207 418642241