Search a number
-
+
30456285 = 352030419
BaseRepresentation
bin111010000101…
…1100111011101
32010022100011120
41310023213131
530244100120
63004441153
7516605556
oct164134735
963270146
1030456285
1116212292
12a2491b9
136404892
14408b32d
152a19140
hex1d0b9dd

30456285 has 8 divisors (see below), whose sum is σ = 48730080. Its totient is φ = 16243344.

The previous prime is 30456271. The next prime is 30456311. The reversal of 30456285 is 58265403.

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

It is not a de Polignac number, because 30456285 - 25 = 30456253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015195 + ... + 1015224.

It is an arithmetic number, because the mean of its divisors is an integer number (6091260).

Almost surely, 230456285 is an apocalyptic number.

It is an amenable number.

30456285 is a deficient number, since it is larger than the sum of its proper divisors (18273795).

30456285 is a wasteful number, since it uses less digits than its factorization.

30456285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030427.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 30456285 is about 5518.7213192913. The cubic root of 30456285 is about 312.2906459114.

The spelling of 30456285 in words is "thirty million, four hundred fifty-six thousand, two hundred eighty-five".

Divisors: 1 3 5 15 2030419 6091257 10152095 30456285