Search a number
-
+
30057306 = 2331715803
BaseRepresentation
bin111001010101…
…0001101011010
32002120001212120
41302222031122
530143313211
62552122110
7513324426
oct162521532
962501776
1030057306
1115a6a554
12a096336
1362c50b6
143dc5b86
15298ad06
hex1caa35a

30057306 has 16 divisors (see below), whose sum is σ = 60308064. Its totient is φ = 9986864.

The previous prime is 30057289. The next prime is 30057317. The reversal of 30057306 is 60375003.

It is an unprimeable number.

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, 6000 + ... + 9803.

It is an arithmetic number, because the mean of its divisors is an integer number (3769254).

Almost surely, 230057306 is an apocalyptic number.

30057306 is an abundant number, since it is smaller than the sum of its proper divisors (30250758).

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

30057306 is a wasteful number, since it uses less digits than its factorization.

30057306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16125.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 30057306 is about 5482.4543773752. The cubic root of 30057306 is about 310.9209726037.

The spelling of 30057306 in words is "thirty million, fifty-seven thousand, three hundred six".

Divisors: 1 2 3 6 317 634 951 1902 15803 31606 47409 94818 5009551 10019102 15028653 30057306