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30080652 = 2237358103
BaseRepresentation
bin111001010111…
…1111010001100
32002121020220020
41302233322030
530200040102
62552422140
7513452460
oct162577214
962536806
1030080652
1115a86048
12a0a7950
136302904
143dd04a0
152992bbc
hex1cafe8c

30080652 has 24 divisors (see below), whose sum is σ = 80215296. Its totient is φ = 8594448.

The previous prime is 30080623. The next prime is 30080657. The reversal of 30080652 is 25608003.

It is not an unprimeable number, because it can be changed into a prime (30080657) 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, 178968 + ... + 179135.

It is an arithmetic number, because the mean of its divisors is an integer number (3342304).

Almost surely, 230080652 is an apocalyptic number.

It is an amenable number.

30080652 is an abundant number, since it is smaller than the sum of its proper divisors (50134644).

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

30080652 is a wasteful number, since it uses less digits than its factorization.

30080652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358117 (or 358115 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 30080652 is about 5484.5831199828. The cubic root of 30080652 is about 311.0014509019.

Adding to 30080652 its reverse (25608003), we get a palindrome (55688655).

The spelling of 30080652 in words is "thirty million, eighty thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 358103 716206 1074309 1432412 2148618 2506721 4297236 5013442 7520163 10026884 15040326 30080652