Search a number
-
+
240381803 is a prime number
BaseRepresentation
bin11100101001111…
…10111101101011
3121202022122211202
432110332331223
5443014204203
635504114415
75646132404
oct1624767553
9552278752
10240381803
11113764452
1268605a0b
133aa5586c
1423cd49ab
1516184388
hexe53ef6b

240381803 has 2 divisors, whose sum is σ = 240381804. Its totient is φ = 240381802.

The previous prime is 240381797. The next prime is 240381833. The reversal of 240381803 is 308183042.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240381803 - 212 = 240377707 is a prime.

It is a super-2 number, since 2×2403818032 = 115566822427061618, which contains 22 as substring.

It is equal to p13181447 and since 240381803 and 13181447 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (240381833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120190901 + 120190902.

It is an arithmetic number, because the mean of its divisors is an integer number (120190902).

Almost surely, 2240381803 is an apocalyptic number.

240381803 is a deficient number, since it is larger than the sum of its proper divisors (1).

240381803 is an equidigital number, since it uses as much as digits as its factorization.

240381803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 240381803 is about 15504.2511267072. The cubic root of 240381803 is about 621.7758684540.

The spelling of 240381803 in words is "two hundred forty million, three hundred eighty-one thousand, eight hundred three".