Search a number
-
+
2240003221 = 47169328151
BaseRepresentation
bin1000010110000011…
…1011110010010101
312210002221221202021
42011200323302111
514041420100341
61010135013141
7106336466431
oct20540736225
95702857667
102240003221
11a4a472635
1252620a1b1
132990c97c1
141736d19c1
15d19be9d1
hex8583bc95

2240003221 has 8 divisors (see below), whose sum is σ = 2289095424. Its totient is φ = 2190970800.

The previous prime is 2240003203. The next prime is 2240003237. The reversal of 2240003221 is 1223000422.

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

It is not a de Polignac number, because 2240003221 - 27 = 2240003093 is a prime.

It is a super-2 number, since 2×22400032212 = 10035228860180749682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2240003195 and 2240003204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240003251) 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, 65496 + ... + 93646.

It is an arithmetic number, because the mean of its divisors is an integer number (286136928).

Almost surely, 22240003221 is an apocalyptic number.

It is an amenable number.

2240003221 is a deficient number, since it is larger than the sum of its proper divisors (49092203).

2240003221 is a wasteful number, since it uses less digits than its factorization.

2240003221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29891.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2240003221 is about 47328.6722928079. The cubic root of 2240003221 is about 1308.4271512242.

Adding to 2240003221 its reverse (1223000422), we get a palindrome (3463003643).

The spelling of 2240003221 in words is "two billion, two hundred forty million, three thousand, two hundred twenty-one".

Divisors: 1 47 1693 28151 79571 1323097 47659643 2240003221