Search a number
-
+
240372001 = 892700809
BaseRepresentation
bin11100101001111…
…00100100100001
3121202022011101201
432110330210201
5443013401001
635504001201
75646062002
oct1624744441
9552264351
10240372001
11113758051
1268600201
133aa5126c
1423cd11a9
1516181501
hexe53c921

240372001 has 4 divisors (see below), whose sum is σ = 243072900. Its totient is φ = 237671104.

The previous prime is 240371977. The next prime is 240372019. The reversal of 240372001 is 100273042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100273042 = 250136521.

It can be written as a sum of positive squares in 2 ways, for example, as 84621601 + 155750400 = 9199^2 + 12480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-240372001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240372001.

It is not an unprimeable number, because it can be changed into a prime (240372901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1350316 + ... + 1350493.

It is an arithmetic number, because the mean of its divisors is an integer number (60768225).

Almost surely, 2240372001 is an apocalyptic number.

It is an amenable number.

240372001 is a deficient number, since it is larger than the sum of its proper divisors (2700899).

240372001 is an equidigital number, since it uses as much as digits as its factorization.

240372001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700898.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 240372001 is about 15503.9350166337. The cubic root of 240372001 is about 621.7674169963.

The spelling of 240372001 in words is "two hundred forty million, three hundred seventy-two thousand, one".

Divisors: 1 89 2700809 240372001