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30676826 = 215338413
BaseRepresentation
bin111010100000…
…1011101011010
32010201112200202
41311001131122
530323124301
63013302202
7521514545
oct165013532
963645622
1030676826
1116352a54
12a334962
13648108b
14410785c
152a5e66b
hex1d4175a

30676826 has 4 divisors (see below), whose sum is σ = 46015242. Its totient is φ = 15338412.

The previous prime is 30676819. The next prime is 30676829. The reversal of 30676826 is 62867603.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20748025 + 9928801 = 4555^2 + 3151^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30676826.

It is not an unprimeable number, because it can be changed into a prime (30676829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7669205 + ... + 7669208.

Almost surely, 230676826 is an apocalyptic number.

30676826 is a deficient number, since it is larger than the sum of its proper divisors (15338416).

30676826 is a wasteful number, since it uses less digits than its factorization.

30676826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15338415.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 30676826 is about 5538.6664459958. Note that the first 3 decimals coincide. The cubic root of 30676826 is about 313.0426233264.

The spelling of 30676826 in words is "thirty million, six hundred seventy-six thousand, eight hundred twenty-six".

Divisors: 1 2 15338413 30676826