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30704068 = 2255713781
BaseRepresentation
bin111010100100…
…0000111000100
32010202221001201
41311020013010
530330012233
63014032244
7521660143
oct165100704
963687051
1030704068
111637146a
12a348684
1364905b5
14411375a
152a6777d
hex1d481c4

30704068 has 12 divisors (see below), whose sum is σ = 53832492. Its totient is φ = 15323360.

The previous prime is 30704059. The next prime is 30704083. The reversal of 30704068 is 86040703.

It can be written as a sum of positive squares in 2 ways, for example, as 9193024 + 21511044 = 3032^2 + 4638^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4663 + ... + 9118.

It is an arithmetic number, because the mean of its divisors is an integer number (4486041).

Almost surely, 230704068 is an apocalyptic number.

It is an amenable number.

30704068 is a deficient number, since it is larger than the sum of its proper divisors (23128424).

30704068 is a wasteful number, since it uses less digits than its factorization.

30704068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14342 (or 14340 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 30704068 is about 5541.1251565003. The cubic root of 30704068 is about 313.1352598553.

The spelling of 30704068 in words is "thirty million, seven hundred four thousand, sixty-eight".

Divisors: 1 2 4 557 1114 2228 13781 27562 55124 7676017 15352034 30704068