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240254401 = 1032332567
BaseRepresentation
bin11100101000111…
…11110111000001
3121202002012002011
432110133313001
5443001120101
635501252521
75645062102
oct1624376701
9552065064
10240254401
11113687762
1268564141
133aa0c88a
1423ca03a9
151615b751
hexe51fdc1

240254401 has 4 divisors (see below), whose sum is σ = 242587072. Its totient is φ = 237921732.

The previous prime is 240254381. The next prime is 240254407. The reversal of 240254401 is 104452042.

It is a happy number.

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: 104452042 = 252226021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-240254401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240254407) 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, 1166181 + ... + 1166386.

It is an arithmetic number, because the mean of its divisors is an integer number (60646768).

Almost surely, 2240254401 is an apocalyptic number.

It is an amenable number.

240254401 is a deficient number, since it is larger than the sum of its proper divisors (2332671).

240254401 is a wasteful number, since it uses less digits than its factorization.

240254401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332670.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 240254401 is about 15500.1419670918. The cubic root of 240254401 is about 621.6660022785. Note that the first 3 decimals are identical.

The spelling of 240254401 in words is "two hundred forty million, two hundred fifty-four thousand, four hundred one".

Divisors: 1 103 2332567 240254401