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240470497 = 2310455239
BaseRepresentation
bin11100101010101…
…00100111100001
3121202111011111201
432111110213201
5443030023442
635510041201
75646652111
oct1625244741
9552434451
10240470497
11113815053
1268649201
133aa87047
1423d19041
15161a07b7
hexe5549e1

240470497 has 4 divisors (see below), whose sum is σ = 250925760. Its totient is φ = 230015236.

The previous prime is 240470467. The next prime is 240470501. The reversal of 240470497 is 794074042.

240470497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 794074042 = 2397037021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-240470497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240470467) 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, 5227597 + ... + 5227642.

It is an arithmetic number, because the mean of its divisors is an integer number (62731440).

Almost surely, 2240470497 is an apocalyptic number.

It is an amenable number.

240470497 is a deficient number, since it is larger than the sum of its proper divisors (10455263).

240470497 is a wasteful number, since it uses less digits than its factorization.

240470497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10455262.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 240470497 is about 15507.1111751996. Note that the first 4 decimals coincide. The cubic root of 240470497 is about 621.8523315458.

The spelling of 240470497 in words is "two hundred forty million, four hundred seventy thousand, four hundred ninety-seven".

Divisors: 1 23 10455239 240470497