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30461316 = 2232538443
BaseRepresentation
bin111010000110…
…0110110000100
32010022121001220
41310030312010
530244230231
63004520340
7516626334
oct164146604
963277056
1030461316
1116216046
12a2500b0
136406c62
14408d0c4
152a1a896
hex1d0cd84

30461316 has 12 divisors (see below), whose sum is σ = 71076432. Its totient is φ = 10153768.

The previous prime is 30461309. The next prime is 30461317. The reversal of 30461316 is 61316403.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (30461317) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1269210 + ... + 1269233.

It is an arithmetic number, because the mean of its divisors is an integer number (5923036).

Almost surely, 230461316 is an apocalyptic number.

It is an amenable number.

30461316 is an abundant number, since it is smaller than the sum of its proper divisors (40615116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30461316 is a wasteful number, since it uses less digits than its factorization.

30461316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538450 (or 2538448 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 30461316 is about 5519.1771125776. The cubic root of 30461316 is about 312.3078404766.

Adding to 30461316 its reverse (61316403), we get a palindrome (91777719).

The spelling of 30461316 in words is "thirty million, four hundred sixty-one thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 2538443 5076886 7615329 10153772 15230658 30461316