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30316904 = 233789613
BaseRepresentation
bin111001110100…
…1100101101000
32010001020222022
41303221211220
530230120104
63001444012
7515455322
oct163514550
963036868
1030316904
11161275a2
12a1a0608
1363862c7
144052612
1529dcbbe
hex1ce9968

30316904 has 8 divisors (see below), whose sum is σ = 56844210. Its totient is φ = 15158448.

The previous prime is 30316903. The next prime is 30316931. The reversal of 30316904 is 40961303.

It can be written as a sum of positive squares in only one way, i.e., 20268004 + 10048900 = 4502^2 + 3170^2 .

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

It is a super-2 number, since 2×303169042 = 1838229336290432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30316903) 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, 1894799 + ... + 1894814.

Almost surely, 230316904 is an apocalyptic number.

It is an amenable number.

30316904 is a deficient number, since it is larger than the sum of its proper divisors (26527306).

30316904 is a wasteful number, since it uses less digits than its factorization.

30316904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789619 (or 3789615 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 30316904 is about 5506.0788225379. The cubic root of 30316904 is about 311.8135254328.

The spelling of 30316904 in words is "thirty million, three hundred sixteen thousand, nine hundred four".

Divisors: 1 2 4 8 3789613 7579226 15158452 30316904