Search a number
-
+
30825208 = 233853151
BaseRepresentation
bin111010110010…
…1101011111000
32011000002020101
41311211223320
530342401313
63020405144
7523003261
oct165455370
964002211
1030825208
1116444487
12a3a67b4
13650378b
144145968
152a8d5dd
hex1d65af8

30825208 has 8 divisors (see below), whose sum is σ = 57797280. Its totient is φ = 15412600.

The previous prime is 30825187. The next prime is 30825211. The reversal of 30825208 is 80252803.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1926568 + ... + 1926583.

It is an arithmetic number, because the mean of its divisors is an integer number (7224660).

Almost surely, 230825208 is an apocalyptic number.

It is an amenable number.

30825208 is a deficient number, since it is larger than the sum of its proper divisors (26972072).

30825208 is a wasteful number, since it uses less digits than its factorization.

30825208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853157 (or 3853153 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 30825208 is about 5552.0453888635. The cubic root of 30825208 is about 313.5465346431.

The spelling of 30825208 in words is "thirty million, eight hundred twenty-five thousand, two hundred eight".

Divisors: 1 2 4 8 3853151 7706302 15412604 30825208