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30230130 = 2357143953
BaseRepresentation
bin111001101010…
…0011001110010
32002212211221110
41303110121302
530214331010
62555534150
7514644330
oct163243162
962784843
1030230130
1116078387
12a15a356
136355968
14402cb50
1529c2120
hex1cd4672

30230130 has 32 divisors (see below), whose sum is σ = 82917504. Its totient is φ = 6909696.

The previous prime is 30230117. The next prime is 30230141. The reversal of 30230130 is 3103203.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 71767 + ... + 72186.

It is an arithmetic number, because the mean of its divisors is an integer number (2591172).

Almost surely, 230230130 is an apocalyptic number.

30230130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30230130 is an abundant number, since it is smaller than the sum of its proper divisors (52687374).

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

30230130 is a wasteful number, since it uses less digits than its factorization.

30230130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143970.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 30230130 is about 5498.1933396344. The cubic root of 30230130 is about 311.5157469751.

Adding to 30230130 its reverse (3103203), we get a palindrome (33333333).

The spelling of 30230130 in words is "thirty million, two hundred thirty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 143953 287906 431859 719765 863718 1007671 1439530 2015342 2159295 3023013 4318590 5038355 6046026 10076710 15115065 30230130