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2030023221 = 32360328669
BaseRepresentation
bin111100011111111…
…1011001000110101
312020110211212100020
41320333323020311
513124141220341
6533234235353
7101206625022
oct17077731065
95213755306
102030023221
11951993546
12487a25b59
13264759a95
14153872549
15bd343566
hex78ffb235

2030023221 has 8 divisors (see below), whose sum is σ = 2706906720. Its totient is φ = 1353244272.

The previous prime is 2030023199. The next prime is 2030023223. The reversal of 2030023221 is 1223200302.

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

It is not a de Polignac number, because 2030023221 - 26 = 2030023157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2030023221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030023223) 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, 56475 + ... + 85143.

It is an arithmetic number, because the mean of its divisors is an integer number (338363340).

Almost surely, 22030023221 is an apocalyptic number.

It is an amenable number.

2030023221 is a deficient number, since it is larger than the sum of its proper divisors (676883499).

2030023221 is a wasteful number, since it uses less digits than its factorization.

2030023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52275.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2030023221 is about 45055.7789967058. The cubic root of 2030023221 is about 1266.1942449319.

Adding to 2030023221 its reverse (1223200302), we get a palindrome (3253223523).

The spelling of 2030023221 in words is "two billion, thirty million, twenty-three thousand, two hundred twenty-one".

Divisors: 1 3 23603 28669 70809 86007 676674407 2030023221