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30000316 = 2219599659
BaseRepresentation
bin111001001110…
…0010010111100
32002110011200211
41302130102330
530140002231
62551002204
7512666323
oct162342274
962404624
1030000316
1115a30755
12a069364
1362a5188
143dad0ba
152978eb1
hex1c9c4bc

30000316 has 24 divisors (see below), whose sum is σ = 55440000. Its totient is φ = 14165424.

The previous prime is 30000307. The next prime is 30000317. The reversal of 30000316 is 61300003.

It is a junction number, because it is equal to n+sod(n) for n = 30000296 and 30000305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000317) 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 in 7 ways as a sum of consecutive naturals, for example, 45195 + ... + 45853.

It is an arithmetic number, because the mean of its divisors is an integer number (2310000).

Almost surely, 230000316 is an apocalyptic number.

It is an amenable number.

30000316 is a deficient number, since it is larger than the sum of its proper divisors (25439684).

30000316 is a wasteful number, since it uses less digits than its factorization.

30000316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 30000316 is about 5477.2544216971. The cubic root of 30000316 is about 310.7243415754.

Adding to 30000316 its reverse (61300003), we get a palindrome (91300319).

The spelling of 30000316 in words is "thirty million, three hundred sixteen", and thus it is an aban number.

Divisors: 1 2 4 19 38 76 599 659 1198 1318 2396 2636 11381 12521 22762 25042 45524 50084 394741 789482 1578964 7500079 15000158 30000316