Search a number
-
+
30630254 = 230495023
BaseRepresentation
bin111010011011…
…0000101101110
32010122011210212
41310312011232
530320132004
63012302422
7521232014
oct164660556
963564725
1030630254
1116320a66
12a311a12
136465b15
1440d48b4
152a5096e
hex1d3616e

30630254 has 8 divisors (see below), whose sum is σ = 45969600. Its totient is φ = 15307056.

The previous prime is 30630253. The next prime is 30630269. The reversal of 30630254 is 45203603.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30630253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3587 + ... + 8609.

It is an arithmetic number, because the mean of its divisors is an integer number (5746200).

Almost surely, 230630254 is an apocalyptic number.

30630254 is a deficient number, since it is larger than the sum of its proper divisors (15339346).

30630254 is a wasteful number, since it uses less digits than its factorization.

30630254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8074.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 30630254 is about 5534.4605879887. The cubic root of 30630254 is about 312.8841279528.

Adding to 30630254 its reverse (45203603), we get a palindrome (75833857).

The spelling of 30630254 in words is "thirty million, six hundred thirty thousand, two hundred fifty-four".

Divisors: 1 2 3049 5023 6098 10046 15315127 30630254