Search a number
-
+
240765738 = 2357177019
BaseRepresentation
bin11100101100111…
…00101100101010
3121210001011111120
432112130230222
5443114000423
635520240110
75652321633
oct1626345452
9553034446
10240765738
111139a6954
1268770036
133ab5b545
1423d9488a
151620cee3
hexe59cb2a

240765738 has 16 divisors (see below), whose sum is σ = 481684320. Its totient is φ = 80229776.

The previous prime is 240765731. The next prime is 240765751. The reversal of 240765738 is 837567042.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 240765738.

It is not an unprimeable number, because it can be changed into a prime (240765731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30793 + ... + 37811.

It is an arithmetic number, because the mean of its divisors is an integer number (30105270).

Almost surely, 2240765738 is an apocalyptic number.

240765738 is an abundant number, since it is smaller than the sum of its proper divisors (240918582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240765738 is a wasteful number, since it uses less digits than its factorization.

240765738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12741.

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 240765738 is about 15516.6277908571. The cubic root of 240765738 is about 622.1067234152.

The spelling of 240765738 in words is "two hundred forty million, seven hundred sixty-five thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 5717 7019 11434 14038 17151 21057 34302 42114 40127623 80255246 120382869 240765738