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30231030 = 2351007701
BaseRepresentation
bin111001101010…
…0100111110110
32002212220011210
41303110213312
530214343110
62555542250
7514650054
oct163244766
962786153
1030231030
1116079025
12a15a986
1363561ab
14402d1d4
1529c2520
hex1cd49f6

30231030 has 16 divisors (see below), whose sum is σ = 72554544. Its totient is φ = 8061600.

The previous prime is 30231013. The next prime is 30231053. The reversal of 30231030 is 3013203.

Adding to 30231030 its reverse (3013203), we get a palindrome (33244233).

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30230997 and 30231015.

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, 503821 + ... + 503880.

It is an arithmetic number, because the mean of its divisors is an integer number (4534659).

Almost surely, 230231030 is an apocalyptic number.

30231030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30231030 is an abundant number, since it is smaller than the sum of its proper divisors (42323514).

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

30231030 is a wasteful number, since it uses less digits than its factorization.

30231030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007711.

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

The square root of 30231030 is about 5498.2751840918. The cubic root of 30231030 is about 311.5188383874.

The spelling of 30231030 in words is "thirty million, two hundred thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1007701 2015402 3023103 5038505 6046206 10077010 15115515 30231030