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30067260 = 2235501121
BaseRepresentation
bin111001010110…
…0101000111100
32002120120112020
41302230220330
530144123020
62552240140
7513365436
oct162545074
962516466
1030067260
1115a76a83
12a0a0050
1362c97a2
143dc9656
15298dc40
hex1caca3c

30067260 has 24 divisors (see below), whose sum is σ = 84188496. Its totient is φ = 8017920.

The previous prime is 30067259. The next prime is 30067267. The reversal of 30067260 is 6276003.

It is a self number, because there is not a number n which added to its sum of digits gives 30067260.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30067267) by changing a digit.

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, 250501 + ... + 250620.

It is an arithmetic number, because the mean of its divisors is an integer number (3507854).

Almost surely, 230067260 is an apocalyptic number.

30067260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30067260 is an abundant number, since it is smaller than the sum of its proper divisors (54121236).

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

30067260 is a wasteful number, since it uses less digits than its factorization.

30067260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501133 (or 501131 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 30067260 is about 5483.3621073207. The cubic root of 30067260 is about 310.9552911127.

The spelling of 30067260 in words is "thirty million, sixty-seven thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 501121 1002242 1503363 2004484 2505605 3006726 5011210 6013452 7516815 10022420 15033630 30067260