Search a number
-
+
30080002 = 2197111149
BaseRepresentation
bin111001010111…
…1110000000010
32002121020000011
41302233300002
530200030002
62552415134
7513450541
oct162576002
962536004
1030080002
1115a85607
12a0a74aa
136302524
143dd0158
1529928d7
hex1cafc02

30080002 has 16 divisors (see below), whose sum is σ = 48168000. Its totient is φ = 14046480.

The previous prime is 30079999. The next prime is 30080009. The reversal of 30080002 is 20008003.

It is not an unprimeable number, because it can be changed into a prime (30080009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2877 + ... + 8272.

It is an arithmetic number, because the mean of its divisors is an integer number (3010500).

Almost surely, 230080002 is an apocalyptic number.

30080002 is a deficient number, since it is larger than the sum of its proper divisors (18087998).

30080002 is a wasteful number, since it uses less digits than its factorization.

30080002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11241.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30080002 is about 5484.5238626521. The cubic root of 30080002 is about 310.9992107864. Note that the first 3 decimals are identical.

Adding to 30080002 its reverse (20008003), we get a palindrome (50088005).

The spelling of 30080002 in words is "thirty million, eighty thousand, two".

Divisors: 1 2 19 38 71 142 1349 2698 11149 22298 211831 423662 791579 1583158 15040001 30080002