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30682408 = 233835301
BaseRepresentation
bin111010100001…
…0110100101000
32010201211100111
41311002310220
530323314113
63013344104
7521540041
oct165026450
963654314
1030682408
1116357169
12a338034
136483793
1441098c8
152a6113d
hex1d42d28

30682408 has 8 divisors (see below), whose sum is σ = 57529530. Its totient is φ = 15341200.

The previous prime is 30682387. The next prime is 30682423. The reversal of 30682408 is 80428603.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17994564 + 12687844 = 4242^2 + 3562^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 30682408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1917643 + ... + 1917658.

Almost surely, 230682408 is an apocalyptic number.

It is an amenable number.

30682408 is a deficient number, since it is larger than the sum of its proper divisors (26847122).

30682408 is a wasteful number, since it uses less digits than its factorization.

30682408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835307 (or 3835303 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 30682408 is about 5539.1703349870. The cubic root of 30682408 is about 313.0616094056.

It can be divided in two parts, 3068 and 2408, that added together give a square (5476 = 742).

The spelling of 30682408 in words is "thirty million, six hundred eighty-two thousand, four hundred eight".

Divisors: 1 2 4 8 3835301 7670602 15341204 30682408