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30066125 = 53317759
BaseRepresentation
bin111001010110…
…0010111001101
32002120111222012
41302230113031
530144104000
62552231005
7513362225
oct162542715
962514865
1030066125
1115a76141
12a09b465
1362c910b
143dc9085
15298d735
hex1cac5cd

30066125 has 16 divisors (see below), whose sum is σ = 38737920. Its totient is φ = 23274000.

The previous prime is 30066103. The next prime is 30066133. The reversal of 30066125 is 52166003.

It is not a de Polignac number, because 30066125 - 26 = 30066061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30066125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5 + ... + 7754.

It is an arithmetic number, because the mean of its divisors is an integer number (2421120).

Almost surely, 230066125 is an apocalyptic number.

It is an amenable number.

30066125 is a deficient number, since it is larger than the sum of its proper divisors (8671795).

30066125 is an equidigital number, since it uses as much as digits as its factorization.

30066125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7805 (or 7795 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 30066125 is about 5483.2586114463. The cubic root of 30066125 is about 310.9513783440.

The spelling of 30066125 in words is "thirty million, sixty-six thousand, one hundred twenty-five".

Divisors: 1 5 25 31 125 155 775 3875 7759 38795 193975 240529 969875 1202645 6013225 30066125