Search a number
-
+
2030215 = 51136913
BaseRepresentation
bin111101111101010000111
310211010221011
413233222013
51004431330
6111303051
723153665
oct7575207
93733834
102030215
111167370
1281aa87
13561115
143abc35
152a182a
hex1efa87

2030215 has 8 divisors (see below), whose sum is σ = 2657808. Its totient is φ = 1476480.

The previous prime is 2030213. The next prime is 2030243. The reversal of 2030215 is 5120302.

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

It is not a de Polignac number, because 2030215 - 21 = 2030213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2030195 and 2030204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030213) 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, 18402 + ... + 18511.

It is an arithmetic number, because the mean of its divisors is an integer number (332226).

22030215 is an apocalyptic number.

2030215 is a deficient number, since it is larger than the sum of its proper divisors (627593).

2030215 is a wasteful number, since it uses less digits than its factorization.

2030215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36929.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 2030215 is about 1424.8561330885. The cubic root of 2030215 is about 126.6234116696.

Adding to 2030215 its reverse (5120302), we get a palindrome (7150517).

The spelling of 2030215 in words is "two million, thirty thousand, two hundred fifteen".

Divisors: 1 5 11 55 36913 184565 406043 2030215