Search a number
-
+
2490230001 = 37118582381
BaseRepresentation
bin1001010001101101…
…1110010011110001
320102112210210100210
42110123132103301
520044444330001
61051034134333
7115465414530
oct22433362361
96375723323
102490230001
111068740726
12595b813a9
13308bbb49c
14198a2a317
15e894add6
hex946de4f1

2490230001 has 8 divisors (see below), whose sum is σ = 3794636224. Its totient is φ = 1422988560.

The previous prime is 2490229991. The next prime is 2490230009. The reversal of 2490230001 is 1000320942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2490230001 - 27 = 2490229873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 118582381 = 2490230001 / (2 + 4 + 9 + 0 + 2 + 3 + 0 + 0 + 0 + 1).

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 2490230001.

It is not an unprimeable number, because it can be changed into a prime (2490230009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59291170 + ... + 59291211.

It is an arithmetic number, because the mean of its divisors is an integer number (474329528).

Almost surely, 22490230001 is an apocalyptic number.

2490230001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2490230001 is a deficient number, since it is larger than the sum of its proper divisors (1304406223).

2490230001 is a wasteful number, since it uses less digits than its factorization.

2490230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118582391.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2490230001 is about 49902.2043701478. The cubic root of 2490230001 is about 1355.4385096887.

Adding to 2490230001 its reverse (1000320942), we get a palindrome (3490550943).

The spelling of 2490230001 in words is "two billion, four hundred ninety million, two hundred thirty thousand, one".

Divisors: 1 3 7 21 118582381 355747143 830076667 2490230001