Search a number
-
+
30285606 = 2313388277
BaseRepresentation
bin111001110000…
…1111100100110
32002222200001010
41303201330212
530223114411
63001043050
7515265141
oct163417446
962880033
1030285606
111610602a
12a186486
136374ca0
144045058
1529d37a6
hex1ce1f26

30285606 has 16 divisors (see below), whose sum is σ = 65230704. Its totient is φ = 9318624.

The previous prime is 30285589. The next prime is 30285643. The reversal of 30285606 is 60658203.

It is a super-3 number, since 3×302856063 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194061 + ... + 194216.

It is an arithmetic number, because the mean of its divisors is an integer number (4076919).

Almost surely, 230285606 is an apocalyptic number.

30285606 is an abundant number, since it is smaller than the sum of its proper divisors (34945098).

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

30285606 is a wasteful number, since it uses less digits than its factorization.

30285606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388295.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 30285606 is about 5503.2359571438. The cubic root of 30285606 is about 311.7061870761.

The spelling of 30285606 in words is "thirty million, two hundred eighty-five thousand, six hundred six".

Divisors: 1 2 3 6 13 26 39 78 388277 776554 1164831 2329662 5047601 10095202 15142803 30285606