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240425001 = 3237721997
BaseRepresentation
bin11100101010010…
…01100000101001
3121202101212002200
432111021200221
5443022100001
635505050413
75646402345
oct1625114051
9552355080
10240425001
11113793953
1268626a09
133aa6c41b
1423d06625
1516192086
hexe549829

240425001 has 12 divisors (see below), whose sum is σ = 356667012. Its totient is φ = 155951136.

The previous prime is 240424991. The next prime is 240425027. The reversal of 240425001 is 100524042.

240425001 is a `hidden beast` number, since 240 + 425 + 0 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 187717401 + 52707600 = 13701^2 + 7260^2 .

It is not a de Polignac number, because 240425001 - 211 = 240422953 is a prime.

It is a super-2 number, since 2×2404250012 = 115608362211700002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240425071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360666 + ... + 361331.

It is an arithmetic number, because the mean of its divisors is an integer number (29722251).

Almost surely, 2240425001 is an apocalyptic number.

It is an amenable number.

240425001 is a deficient number, since it is larger than the sum of its proper divisors (116242011).

240425001 is a wasteful number, since it uses less digits than its factorization.

240425001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722040 (or 722037 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 240425001 is about 15505.6441659158. The cubic root of 240425001 is about 621.8131117961.

Adding to 240425001 its reverse (100524042), we get a palindrome (340949043).

The spelling of 240425001 in words is "two hundred forty million, four hundred twenty-five thousand, one".

Divisors: 1 3 9 37 111 333 721997 2165991 6497973 26713889 80141667 240425001